diff --git a/Lib/Makefile.am b/lib/Makefile.am
similarity index 100%
rename from Lib/Makefile.am
rename to lib/Makefile.am
diff --git a/Lib/Bucket/Makefile.am b/lib/bucket/Makefile.am
similarity index 100%
rename from Lib/Bucket/Makefile.am
rename to lib/bucket/Makefile.am
diff --git a/Lib/Bucket/newbucket.cxx b/lib/bucket/newbucket.cxx
similarity index 100%
rename from Lib/Bucket/newbucket.cxx
rename to lib/bucket/newbucket.cxx
diff --git a/Lib/Bucket/newbucket.hxx b/lib/bucket/newbucket.hxx
similarity index 100%
rename from Lib/Bucket/newbucket.hxx
rename to lib/bucket/newbucket.hxx
diff --git a/Lib/Bucket/testbucket.cxx b/lib/bucket/testbucket.cxx
similarity index 100%
rename from Lib/Bucket/testbucket.cxx
rename to lib/bucket/testbucket.cxx
diff --git a/Lib/Debug/Makefile.am b/lib/debug/Makefile.am
similarity index 100%
rename from Lib/Debug/Makefile.am
rename to lib/debug/Makefile.am
diff --git a/Lib/Debug/debug_types.h b/lib/debug/debug_types.h
similarity index 100%
rename from Lib/Debug/debug_types.h
rename to lib/debug/debug_types.h
diff --git a/Lib/Debug/fg_debug.c b/lib/debug/fg_debug.c
similarity index 100%
rename from Lib/Debug/fg_debug.c
rename to lib/debug/fg_debug.c
diff --git a/Lib/Debug/fg_debug.h b/lib/debug/fg_debug.h
similarity index 100%
rename from Lib/Debug/fg_debug.h
rename to lib/debug/fg_debug.h
diff --git a/Lib/Debug/logstream.cxx b/lib/debug/logstream.cxx
similarity index 100%
rename from Lib/Debug/logstream.cxx
rename to lib/debug/logstream.cxx
diff --git a/Lib/Debug/logstream.hxx b/lib/debug/logstream.hxx
similarity index 100%
rename from Lib/Debug/logstream.hxx
rename to lib/debug/logstream.hxx
diff --git a/Lib/Debug/logtest.cxx b/lib/debug/logtest.cxx
similarity index 100%
rename from Lib/Debug/logtest.cxx
rename to lib/debug/logtest.cxx
diff --git a/Lib/Math/MAT3geom.c b/lib/math/MAT3geom.c
similarity index 100%
rename from Lib/Math/MAT3geom.c
rename to lib/math/MAT3geom.c
diff --git a/Lib/Math/MAT3inv.c b/lib/math/MAT3inv.c
similarity index 100%
rename from Lib/Math/MAT3inv.c
rename to lib/math/MAT3inv.c
diff --git a/Lib/Math/MAT3mat.c b/lib/math/MAT3mat.c
similarity index 100%
rename from Lib/Math/MAT3mat.c
rename to lib/math/MAT3mat.c
diff --git a/Lib/Math/MAT3vec.c b/lib/math/MAT3vec.c
similarity index 100%
rename from Lib/Math/MAT3vec.c
rename to lib/math/MAT3vec.c
diff --git a/Lib/Math/Makefile.am b/lib/math/Makefile.am
similarity index 100%
rename from Lib/Math/Makefile.am
rename to lib/math/Makefile.am
diff --git a/Lib/Math/fg_geodesy.cxx b/lib/math/fg_geodesy.cxx
similarity index 100%
rename from Lib/Math/fg_geodesy.cxx
rename to lib/math/fg_geodesy.cxx
diff --git a/Lib/Math/fg_geodesy.hxx b/lib/math/fg_geodesy.hxx
similarity index 100%
rename from Lib/Math/fg_geodesy.hxx
rename to lib/math/fg_geodesy.hxx
diff --git a/Lib/Math/fg_random.c b/lib/math/fg_random.c
similarity index 100%
rename from Lib/Math/fg_random.c
rename to lib/math/fg_random.c
diff --git a/Lib/Math/fg_random.h b/lib/math/fg_random.h
similarity index 100%
rename from Lib/Math/fg_random.h
rename to lib/math/fg_random.h
diff --git a/Lib/Math/geotest.c b/lib/math/geotest.c
similarity index 100%
rename from Lib/Math/geotest.c
rename to lib/math/geotest.c
diff --git a/Lib/Math/interpolater.cxx b/lib/math/interpolater.cxx
similarity index 100%
rename from Lib/Math/interpolater.cxx
rename to lib/math/interpolater.cxx
diff --git a/Lib/Math/interpolater.hxx b/lib/math/interpolater.hxx
similarity index 100%
rename from Lib/Math/interpolater.hxx
rename to lib/math/interpolater.hxx
diff --git a/Lib/Math/inttest.cxx b/lib/math/inttest.cxx
similarity index 100%
rename from Lib/Math/inttest.cxx
rename to lib/math/inttest.cxx
diff --git a/Lib/Math/leastsqs.cxx b/lib/math/leastsqs.cxx
similarity index 100%
rename from Lib/Math/leastsqs.cxx
rename to lib/math/leastsqs.cxx
diff --git a/Lib/Math/leastsqs.hxx b/lib/math/leastsqs.hxx
similarity index 100%
rename from Lib/Math/leastsqs.hxx
rename to lib/math/leastsqs.hxx
diff --git a/Lib/Math/mat3.h b/lib/math/mat3.h
similarity index 100%
rename from Lib/Math/mat3.h
rename to lib/math/mat3.h
diff --git a/Lib/Math/mat3defs.h b/lib/math/mat3defs.h
similarity index 100%
rename from Lib/Math/mat3defs.h
rename to lib/math/mat3defs.h
diff --git a/Lib/Math/mat3err.h b/lib/math/mat3err.h
similarity index 100%
rename from Lib/Math/mat3err.h
rename to lib/math/mat3err.h
diff --git a/Lib/Math/point3d.hxx b/lib/math/point3d.hxx
similarity index 100%
rename from Lib/Math/point3d.hxx
rename to lib/math/point3d.hxx
diff --git a/Lib/Math/polar3d.cxx b/lib/math/polar3d.cxx
similarity index 100%
rename from Lib/Math/polar3d.cxx
rename to lib/math/polar3d.cxx
diff --git a/Lib/Math/polar3d.hxx b/lib/math/polar3d.hxx
similarity index 100%
rename from Lib/Math/polar3d.hxx
rename to lib/math/polar3d.hxx
diff --git a/Lib/Math/vector.cxx b/lib/math/vector.cxx
similarity index 100%
rename from Lib/Math/vector.cxx
rename to lib/math/vector.cxx
diff --git a/Lib/Math/vector.hxx b/lib/math/vector.hxx
similarity index 100%
rename from Lib/Math/vector.hxx
rename to lib/math/vector.hxx
diff --git a/Lib/Misc/CREDITS b/lib/misc/CREDITS
similarity index 100%
rename from Lib/Misc/CREDITS
rename to lib/misc/CREDITS
diff --git a/Lib/Misc/Makefile.am b/lib/misc/Makefile.am
similarity index 100%
rename from Lib/Misc/Makefile.am
rename to lib/misc/Makefile.am
diff --git a/Lib/Misc/fgpath.cxx b/lib/misc/fgpath.cxx
similarity index 100%
rename from Lib/Misc/fgpath.cxx
rename to lib/misc/fgpath.cxx
diff --git a/Lib/Misc/fgpath.hxx b/lib/misc/fgpath.hxx
similarity index 100%
rename from Lib/Misc/fgpath.hxx
rename to lib/misc/fgpath.hxx
diff --git a/Lib/Misc/fgstream.cxx b/lib/misc/fgstream.cxx
similarity index 100%
rename from Lib/Misc/fgstream.cxx
rename to lib/misc/fgstream.cxx
diff --git a/Lib/Misc/fgstream.hxx b/lib/misc/fgstream.hxx
similarity index 100%
rename from Lib/Misc/fgstream.hxx
rename to lib/misc/fgstream.hxx
diff --git a/Lib/Misc/stopwatch.hxx b/lib/misc/stopwatch.hxx
similarity index 100%
rename from Lib/Misc/stopwatch.hxx
rename to lib/misc/stopwatch.hxx
diff --git a/Lib/Misc/strutils.cxx b/lib/misc/strutils.cxx
similarity index 100%
rename from Lib/Misc/strutils.cxx
rename to lib/misc/strutils.cxx
diff --git a/Lib/Misc/strutils.hxx b/lib/misc/strutils.hxx
similarity index 100%
rename from Lib/Misc/strutils.hxx
rename to lib/misc/strutils.hxx
diff --git a/Lib/Misc/zfstream.cxx b/lib/misc/zfstream.cxx
similarity index 100%
rename from Lib/Misc/zfstream.cxx
rename to lib/misc/zfstream.cxx
diff --git a/Lib/Misc/zfstream.hxx b/lib/misc/zfstream.hxx
similarity index 100%
rename from Lib/Misc/zfstream.hxx
rename to lib/misc/zfstream.hxx
diff --git a/Lib/Serial/Makefile.am b/lib/serial/Makefile.am
similarity index 100%
rename from Lib/Serial/Makefile.am
rename to lib/serial/Makefile.am
diff --git a/Lib/Serial/serial.cxx b/lib/serial/serial.cxx
similarity index 100%
rename from Lib/Serial/serial.cxx
rename to lib/serial/serial.cxx
diff --git a/Lib/Serial/serial.hxx b/lib/serial/serial.hxx
similarity index 100%
rename from Lib/Serial/serial.hxx
rename to lib/serial/serial.hxx
diff --git a/Lib/Serial/testserial.cxx b/lib/serial/testserial.cxx
similarity index 100%
rename from Lib/Serial/testserial.cxx
rename to lib/serial/testserial.cxx
diff --git a/Lib/XGL/Makefile.am b/lib/xgl/Makefile.am
similarity index 100%
rename from Lib/XGL/Makefile.am
rename to lib/xgl/Makefile.am
diff --git a/Lib/XGL/xgl.c b/lib/xgl/xgl.c
similarity index 100%
rename from Lib/XGL/xgl.c
rename to lib/xgl/xgl.c
diff --git a/Lib/XGL/xgl.h b/lib/xgl/xgl.h
similarity index 100%
rename from Lib/XGL/xgl.h
rename to lib/xgl/xgl.h
diff --git a/Lib/XGL/xglUtils.c b/lib/xgl/xglUtils.c
similarity index 100%
rename from Lib/XGL/xglUtils.c
rename to lib/xgl/xglUtils.c
diff --git a/Lib/zlib/ChangeLog b/lib/zlib/ChangeLog
similarity index 100%
rename from Lib/zlib/ChangeLog
rename to lib/zlib/ChangeLog
diff --git a/Lib/zlib/FAQ b/lib/zlib/FAQ
similarity index 100%
rename from Lib/zlib/FAQ
rename to lib/zlib/FAQ
diff --git a/Lib/zlib/INDEX b/lib/zlib/INDEX
similarity index 100%
rename from Lib/zlib/INDEX
rename to lib/zlib/INDEX
diff --git a/Lib/zlib/Make_vms.com b/lib/zlib/Make_vms.com
similarity index 100%
rename from Lib/zlib/Make_vms.com
rename to lib/zlib/Make_vms.com
diff --git a/Lib/zlib/Makefile.am b/lib/zlib/Makefile.am
similarity index 100%
rename from Lib/zlib/Makefile.am
rename to lib/zlib/Makefile.am
diff --git a/Lib/zlib/Makefile.riscos b/lib/zlib/Makefile.riscos
similarity index 100%
rename from Lib/zlib/Makefile.riscos
rename to lib/zlib/Makefile.riscos
diff --git a/Lib/zlib/README b/lib/zlib/README
similarity index 100%
rename from Lib/zlib/README
rename to lib/zlib/README
diff --git a/Lib/zlib/adler32.c b/lib/zlib/adler32.c
similarity index 100%
rename from Lib/zlib/adler32.c
rename to lib/zlib/adler32.c
diff --git a/Lib/zlib/algorithm.txt b/lib/zlib/algorithm.txt
similarity index 100%
rename from Lib/zlib/algorithm.txt
rename to lib/zlib/algorithm.txt
diff --git a/Lib/zlib/amiga/Makefile.pup b/lib/zlib/amiga/Makefile.pup
similarity index 100%
rename from Lib/zlib/amiga/Makefile.pup
rename to lib/zlib/amiga/Makefile.pup
diff --git a/Lib/zlib/amiga/Makefile.sas b/lib/zlib/amiga/Makefile.sas
similarity index 100%
rename from Lib/zlib/amiga/Makefile.sas
rename to lib/zlib/amiga/Makefile.sas
diff --git a/Lib/zlib/compress.c b/lib/zlib/compress.c
similarity index 100%
rename from Lib/zlib/compress.c
rename to lib/zlib/compress.c
diff --git a/Lib/zlib/configure b/lib/zlib/configure
similarity index 100%
rename from Lib/zlib/configure
rename to lib/zlib/configure
diff --git a/Lib/zlib/contrib/README.contrib b/lib/zlib/contrib/README.contrib
similarity index 100%
rename from Lib/zlib/contrib/README.contrib
rename to lib/zlib/contrib/README.contrib
diff --git a/Lib/zlib/contrib/asm386/gvmat32.asm b/lib/zlib/contrib/asm386/gvmat32.asm
similarity index 100%
rename from Lib/zlib/contrib/asm386/gvmat32.asm
rename to lib/zlib/contrib/asm386/gvmat32.asm
diff --git a/Lib/zlib/contrib/asm386/gvmat32c.c b/lib/zlib/contrib/asm386/gvmat32c.c
similarity index 100%
rename from Lib/zlib/contrib/asm386/gvmat32c.c
rename to lib/zlib/contrib/asm386/gvmat32c.c
diff --git a/Lib/zlib/contrib/asm386/mkgvmt32.bat b/lib/zlib/contrib/asm386/mkgvmt32.bat
similarity index 100%
rename from Lib/zlib/contrib/asm386/mkgvmt32.bat
rename to lib/zlib/contrib/asm386/mkgvmt32.bat
diff --git a/Lib/zlib/contrib/asm386/zlibvc.def b/lib/zlib/contrib/asm386/zlibvc.def
similarity index 100%
rename from Lib/zlib/contrib/asm386/zlibvc.def
rename to lib/zlib/contrib/asm386/zlibvc.def
diff --git a/Lib/zlib/contrib/asm386/zlibvc.dsp b/lib/zlib/contrib/asm386/zlibvc.dsp
similarity index 100%
rename from Lib/zlib/contrib/asm386/zlibvc.dsp
rename to lib/zlib/contrib/asm386/zlibvc.dsp
diff --git a/Lib/zlib/contrib/asm386/zlibvc.dsw b/lib/zlib/contrib/asm386/zlibvc.dsw
similarity index 100%
rename from Lib/zlib/contrib/asm386/zlibvc.dsw
rename to lib/zlib/contrib/asm386/zlibvc.dsw
diff --git a/Lib/zlib/contrib/asm586/README.586 b/lib/zlib/contrib/asm586/README.586
similarity index 100%
rename from Lib/zlib/contrib/asm586/README.586
rename to lib/zlib/contrib/asm586/README.586
diff --git a/Lib/zlib/contrib/asm586/match.S b/lib/zlib/contrib/asm586/match.S
similarity index 100%
rename from Lib/zlib/contrib/asm586/match.S
rename to lib/zlib/contrib/asm586/match.S
diff --git a/Lib/zlib/contrib/asm686/README.686 b/lib/zlib/contrib/asm686/README.686
similarity index 100%
rename from Lib/zlib/contrib/asm686/README.686
rename to lib/zlib/contrib/asm686/README.686
diff --git a/Lib/zlib/contrib/asm686/match.S b/lib/zlib/contrib/asm686/match.S
similarity index 100%
rename from Lib/zlib/contrib/asm686/match.S
rename to lib/zlib/contrib/asm686/match.S
diff --git a/Lib/zlib/contrib/delphi/zlib.mak b/lib/zlib/contrib/delphi/zlib.mak
similarity index 100%
rename from Lib/zlib/contrib/delphi/zlib.mak
rename to lib/zlib/contrib/delphi/zlib.mak
diff --git a/Lib/zlib/contrib/delphi/zlibdef.pas b/lib/zlib/contrib/delphi/zlibdef.pas
similarity index 100%
rename from Lib/zlib/contrib/delphi/zlibdef.pas
rename to lib/zlib/contrib/delphi/zlibdef.pas
diff --git a/Lib/zlib/contrib/delphi2/d_zlib.bpr b/lib/zlib/contrib/delphi2/d_zlib.bpr
similarity index 100%
rename from Lib/zlib/contrib/delphi2/d_zlib.bpr
rename to lib/zlib/contrib/delphi2/d_zlib.bpr
diff --git a/Lib/zlib/contrib/delphi2/d_zlib.cpp b/lib/zlib/contrib/delphi2/d_zlib.cpp
similarity index 100%
rename from Lib/zlib/contrib/delphi2/d_zlib.cpp
rename to lib/zlib/contrib/delphi2/d_zlib.cpp
diff --git a/Lib/zlib/contrib/delphi2/readme.txt b/lib/zlib/contrib/delphi2/readme.txt
similarity index 100%
rename from Lib/zlib/contrib/delphi2/readme.txt
rename to lib/zlib/contrib/delphi2/readme.txt
diff --git a/Lib/zlib/contrib/delphi2/zlib.bpg b/lib/zlib/contrib/delphi2/zlib.bpg
similarity index 100%
rename from Lib/zlib/contrib/delphi2/zlib.bpg
rename to lib/zlib/contrib/delphi2/zlib.bpg
diff --git a/Lib/zlib/contrib/delphi2/zlib.bpr b/lib/zlib/contrib/delphi2/zlib.bpr
similarity index 100%
rename from Lib/zlib/contrib/delphi2/zlib.bpr
rename to lib/zlib/contrib/delphi2/zlib.bpr
diff --git a/Lib/zlib/contrib/delphi2/zlib.cpp b/lib/zlib/contrib/delphi2/zlib.cpp
similarity index 100%
rename from Lib/zlib/contrib/delphi2/zlib.cpp
rename to lib/zlib/contrib/delphi2/zlib.cpp
diff --git a/Lib/zlib/contrib/delphi2/zlib.pas b/lib/zlib/contrib/delphi2/zlib.pas
similarity index 100%
rename from Lib/zlib/contrib/delphi2/zlib.pas
rename to lib/zlib/contrib/delphi2/zlib.pas
diff --git a/Lib/zlib/contrib/delphi2/zlib32.bpr b/lib/zlib/contrib/delphi2/zlib32.bpr
similarity index 100%
rename from Lib/zlib/contrib/delphi2/zlib32.bpr
rename to lib/zlib/contrib/delphi2/zlib32.bpr
diff --git a/Lib/zlib/contrib/delphi2/zlib32.cpp b/lib/zlib/contrib/delphi2/zlib32.cpp
similarity index 100%
rename from Lib/zlib/contrib/delphi2/zlib32.cpp
rename to lib/zlib/contrib/delphi2/zlib32.cpp
diff --git a/Lib/zlib/contrib/iostream/test.cpp b/lib/zlib/contrib/iostream/test.cpp
similarity index 100%
rename from Lib/zlib/contrib/iostream/test.cpp
rename to lib/zlib/contrib/iostream/test.cpp
diff --git a/Lib/zlib/contrib/iostream/zfstream.cpp b/lib/zlib/contrib/iostream/zfstream.cpp
similarity index 100%
rename from Lib/zlib/contrib/iostream/zfstream.cpp
rename to lib/zlib/contrib/iostream/zfstream.cpp
diff --git a/Lib/zlib/contrib/iostream/zfstream.h b/lib/zlib/contrib/iostream/zfstream.h
similarity index 100%
rename from Lib/zlib/contrib/iostream/zfstream.h
rename to lib/zlib/contrib/iostream/zfstream.h
diff --git a/Lib/zlib/contrib/iostream2/zstream.h b/lib/zlib/contrib/iostream2/zstream.h
similarity index 100%
rename from Lib/zlib/contrib/iostream2/zstream.h
rename to lib/zlib/contrib/iostream2/zstream.h
diff --git a/Lib/zlib/contrib/iostream2/zstream_test.cpp b/lib/zlib/contrib/iostream2/zstream_test.cpp
similarity index 100%
rename from Lib/zlib/contrib/iostream2/zstream_test.cpp
rename to lib/zlib/contrib/iostream2/zstream_test.cpp
diff --git a/Lib/zlib/contrib/minizip/ChangeLogUnzip b/lib/zlib/contrib/minizip/ChangeLogUnzip
similarity index 100%
rename from Lib/zlib/contrib/minizip/ChangeLogUnzip
rename to lib/zlib/contrib/minizip/ChangeLogUnzip
diff --git a/Lib/zlib/contrib/minizip/Makefile b/lib/zlib/contrib/minizip/Makefile
similarity index 100%
rename from Lib/zlib/contrib/minizip/Makefile
rename to lib/zlib/contrib/minizip/Makefile
diff --git a/Lib/zlib/contrib/minizip/miniunz.c b/lib/zlib/contrib/minizip/miniunz.c
similarity index 100%
rename from Lib/zlib/contrib/minizip/miniunz.c
rename to lib/zlib/contrib/minizip/miniunz.c
diff --git a/Lib/zlib/contrib/minizip/minizip.c b/lib/zlib/contrib/minizip/minizip.c
similarity index 100%
rename from Lib/zlib/contrib/minizip/minizip.c
rename to lib/zlib/contrib/minizip/minizip.c
diff --git a/Lib/zlib/contrib/minizip/readme.txt b/lib/zlib/contrib/minizip/readme.txt
similarity index 100%
rename from Lib/zlib/contrib/minizip/readme.txt
rename to lib/zlib/contrib/minizip/readme.txt
diff --git a/Lib/zlib/contrib/minizip/unzip.c b/lib/zlib/contrib/minizip/unzip.c
similarity index 100%
rename from Lib/zlib/contrib/minizip/unzip.c
rename to lib/zlib/contrib/minizip/unzip.c
diff --git a/Lib/zlib/contrib/minizip/unzip.def b/lib/zlib/contrib/minizip/unzip.def
similarity index 100%
rename from Lib/zlib/contrib/minizip/unzip.def
rename to lib/zlib/contrib/minizip/unzip.def
diff --git a/Lib/zlib/contrib/minizip/unzip.h b/lib/zlib/contrib/minizip/unzip.h
similarity index 100%
rename from Lib/zlib/contrib/minizip/unzip.h
rename to lib/zlib/contrib/minizip/unzip.h
diff --git a/Lib/zlib/contrib/minizip/zip.c b/lib/zlib/contrib/minizip/zip.c
similarity index 100%
rename from Lib/zlib/contrib/minizip/zip.c
rename to lib/zlib/contrib/minizip/zip.c
diff --git a/Lib/zlib/contrib/minizip/zip.def b/lib/zlib/contrib/minizip/zip.def
similarity index 100%
rename from Lib/zlib/contrib/minizip/zip.def
rename to lib/zlib/contrib/minizip/zip.def
diff --git a/Lib/zlib/contrib/minizip/zip.h b/lib/zlib/contrib/minizip/zip.h
similarity index 100%
rename from Lib/zlib/contrib/minizip/zip.h
rename to lib/zlib/contrib/minizip/zip.h
diff --git a/Lib/zlib/contrib/minizip/zlibvc.def b/lib/zlib/contrib/minizip/zlibvc.def
similarity index 100%
rename from Lib/zlib/contrib/minizip/zlibvc.def
rename to lib/zlib/contrib/minizip/zlibvc.def
diff --git a/Lib/zlib/contrib/minizip/zlibvc.dsp b/lib/zlib/contrib/minizip/zlibvc.dsp
similarity index 100%
rename from Lib/zlib/contrib/minizip/zlibvc.dsp
rename to lib/zlib/contrib/minizip/zlibvc.dsp
diff --git a/Lib/zlib/contrib/minizip/zlibvc.dsw b/lib/zlib/contrib/minizip/zlibvc.dsw
similarity index 100%
rename from Lib/zlib/contrib/minizip/zlibvc.dsw
rename to lib/zlib/contrib/minizip/zlibvc.dsw
diff --git a/Lib/zlib/contrib/untgz/Makefile b/lib/zlib/contrib/untgz/Makefile
similarity index 100%
rename from Lib/zlib/contrib/untgz/Makefile
rename to lib/zlib/contrib/untgz/Makefile
diff --git a/Lib/zlib/contrib/untgz/makefile.w32 b/lib/zlib/contrib/untgz/makefile.w32
similarity index 100%
rename from Lib/zlib/contrib/untgz/makefile.w32
rename to lib/zlib/contrib/untgz/makefile.w32
diff --git a/Lib/zlib/contrib/untgz/untgz.c b/lib/zlib/contrib/untgz/untgz.c
similarity index 100%
rename from Lib/zlib/contrib/untgz/untgz.c
rename to lib/zlib/contrib/untgz/untgz.c
diff --git a/Lib/zlib/contrib/visual-basic.txt b/lib/zlib/contrib/visual-basic.txt
similarity index 100%
rename from Lib/zlib/contrib/visual-basic.txt
rename to lib/zlib/contrib/visual-basic.txt
diff --git a/Lib/zlib/crc32.c b/lib/zlib/crc32.c
similarity index 100%
rename from Lib/zlib/crc32.c
rename to lib/zlib/crc32.c
diff --git a/Lib/zlib/deflate.c b/lib/zlib/deflate.c
similarity index 100%
rename from Lib/zlib/deflate.c
rename to lib/zlib/deflate.c
diff --git a/Lib/zlib/deflate.h b/lib/zlib/deflate.h
similarity index 100%
rename from Lib/zlib/deflate.h
rename to lib/zlib/deflate.h
diff --git a/Lib/zlib/descrip.mms b/lib/zlib/descrip.mms
similarity index 100%
rename from Lib/zlib/descrip.mms
rename to lib/zlib/descrip.mms
diff --git a/Lib/zlib/example.c b/lib/zlib/example.c
similarity index 100%
rename from Lib/zlib/example.c
rename to lib/zlib/example.c
diff --git a/Lib/zlib/gzio.c b/lib/zlib/gzio.c
similarity index 100%
rename from Lib/zlib/gzio.c
rename to lib/zlib/gzio.c
diff --git a/Lib/zlib/infblock.c b/lib/zlib/infblock.c
similarity index 100%
rename from Lib/zlib/infblock.c
rename to lib/zlib/infblock.c
diff --git a/Lib/zlib/infblock.h b/lib/zlib/infblock.h
similarity index 100%
rename from Lib/zlib/infblock.h
rename to lib/zlib/infblock.h
diff --git a/Lib/zlib/infcodes.c b/lib/zlib/infcodes.c
similarity index 100%
rename from Lib/zlib/infcodes.c
rename to lib/zlib/infcodes.c
diff --git a/Lib/zlib/infcodes.h b/lib/zlib/infcodes.h
similarity index 100%
rename from Lib/zlib/infcodes.h
rename to lib/zlib/infcodes.h
diff --git a/Lib/zlib/inffast.c b/lib/zlib/inffast.c
similarity index 100%
rename from Lib/zlib/inffast.c
rename to lib/zlib/inffast.c
diff --git a/Lib/zlib/inffast.h b/lib/zlib/inffast.h
similarity index 100%
rename from Lib/zlib/inffast.h
rename to lib/zlib/inffast.h
diff --git a/Lib/zlib/inffixed.h b/lib/zlib/inffixed.h
similarity index 100%
rename from Lib/zlib/inffixed.h
rename to lib/zlib/inffixed.h
diff --git a/Lib/zlib/inflate.c b/lib/zlib/inflate.c
similarity index 100%
rename from Lib/zlib/inflate.c
rename to lib/zlib/inflate.c
diff --git a/Lib/zlib/inftrees.c b/lib/zlib/inftrees.c
similarity index 100%
rename from Lib/zlib/inftrees.c
rename to lib/zlib/inftrees.c
diff --git a/Lib/zlib/inftrees.h b/lib/zlib/inftrees.h
similarity index 100%
rename from Lib/zlib/inftrees.h
rename to lib/zlib/inftrees.h
diff --git a/Lib/zlib/infutil.c b/lib/zlib/infutil.c
similarity index 100%
rename from Lib/zlib/infutil.c
rename to lib/zlib/infutil.c
diff --git a/Lib/zlib/infutil.h b/lib/zlib/infutil.h
similarity index 100%
rename from Lib/zlib/infutil.h
rename to lib/zlib/infutil.h
diff --git a/Lib/zlib/maketree.c b/lib/zlib/maketree.c
similarity index 100%
rename from Lib/zlib/maketree.c
rename to lib/zlib/maketree.c
diff --git a/Lib/zlib/minigzip.c b/lib/zlib/minigzip.c
similarity index 100%
rename from Lib/zlib/minigzip.c
rename to lib/zlib/minigzip.c
diff --git a/Lib/zlib/msdos/Makefile.b32 b/lib/zlib/msdos/Makefile.b32
similarity index 100%
rename from Lib/zlib/msdos/Makefile.b32
rename to lib/zlib/msdos/Makefile.b32
diff --git a/Lib/zlib/msdos/Makefile.bor b/lib/zlib/msdos/Makefile.bor
similarity index 100%
rename from Lib/zlib/msdos/Makefile.bor
rename to lib/zlib/msdos/Makefile.bor
diff --git a/Lib/zlib/msdos/Makefile.dj2 b/lib/zlib/msdos/Makefile.dj2
similarity index 100%
rename from Lib/zlib/msdos/Makefile.dj2
rename to lib/zlib/msdos/Makefile.dj2
diff --git a/Lib/zlib/msdos/Makefile.emx b/lib/zlib/msdos/Makefile.emx
similarity index 100%
rename from Lib/zlib/msdos/Makefile.emx
rename to lib/zlib/msdos/Makefile.emx
diff --git a/Lib/zlib/msdos/Makefile.msc b/lib/zlib/msdos/Makefile.msc
similarity index 100%
rename from Lib/zlib/msdos/Makefile.msc
rename to lib/zlib/msdos/Makefile.msc
diff --git a/Lib/zlib/msdos/Makefile.tc b/lib/zlib/msdos/Makefile.tc
similarity index 100%
rename from Lib/zlib/msdos/Makefile.tc
rename to lib/zlib/msdos/Makefile.tc
diff --git a/Lib/zlib/msdos/Makefile.w32 b/lib/zlib/msdos/Makefile.w32
similarity index 100%
rename from Lib/zlib/msdos/Makefile.w32
rename to lib/zlib/msdos/Makefile.w32
diff --git a/Lib/zlib/msdos/Makefile.wat b/lib/zlib/msdos/Makefile.wat
similarity index 100%
rename from Lib/zlib/msdos/Makefile.wat
rename to lib/zlib/msdos/Makefile.wat
diff --git a/Lib/zlib/msdos/zlib.def b/lib/zlib/msdos/zlib.def
similarity index 100%
rename from Lib/zlib/msdos/zlib.def
rename to lib/zlib/msdos/zlib.def
diff --git a/Lib/zlib/msdos/zlib.rc b/lib/zlib/msdos/zlib.rc
similarity index 100%
rename from Lib/zlib/msdos/zlib.rc
rename to lib/zlib/msdos/zlib.rc
diff --git a/Lib/zlib/nt/Makefile.emx b/lib/zlib/nt/Makefile.emx
similarity index 100%
rename from Lib/zlib/nt/Makefile.emx
rename to lib/zlib/nt/Makefile.emx
diff --git a/Lib/zlib/nt/Makefile.gcc b/lib/zlib/nt/Makefile.gcc
similarity index 100%
rename from Lib/zlib/nt/Makefile.gcc
rename to lib/zlib/nt/Makefile.gcc
diff --git a/Lib/zlib/nt/Makefile.nt b/lib/zlib/nt/Makefile.nt
similarity index 100%
rename from Lib/zlib/nt/Makefile.nt
rename to lib/zlib/nt/Makefile.nt
diff --git a/Lib/zlib/nt/zlib.dnt b/lib/zlib/nt/zlib.dnt
similarity index 100%
rename from Lib/zlib/nt/zlib.dnt
rename to lib/zlib/nt/zlib.dnt
diff --git a/Lib/zlib/os2/Makefile.os2 b/lib/zlib/os2/Makefile.os2
similarity index 100%
rename from Lib/zlib/os2/Makefile.os2
rename to lib/zlib/os2/Makefile.os2
diff --git a/Lib/zlib/os2/zlib.def b/lib/zlib/os2/zlib.def
similarity index 100%
rename from Lib/zlib/os2/zlib.def
rename to lib/zlib/os2/zlib.def
diff --git a/Lib/zlib/trees.c b/lib/zlib/trees.c
similarity index 100%
rename from Lib/zlib/trees.c
rename to lib/zlib/trees.c
diff --git a/Lib/zlib/trees.h b/lib/zlib/trees.h
similarity index 100%
rename from Lib/zlib/trees.h
rename to lib/zlib/trees.h
diff --git a/Lib/zlib/uncompr.c b/lib/zlib/uncompr.c
similarity index 100%
rename from Lib/zlib/uncompr.c
rename to lib/zlib/uncompr.c
diff --git a/Lib/zlib/zconf.h b/lib/zlib/zconf.h
similarity index 100%
rename from Lib/zlib/zconf.h
rename to lib/zlib/zconf.h
diff --git a/Lib/zlib/zlib.3 b/lib/zlib/zlib.3
similarity index 100%
rename from Lib/zlib/zlib.3
rename to lib/zlib/zlib.3
diff --git a/Lib/zlib/zlib.h b/lib/zlib/zlib.h
similarity index 100%
rename from Lib/zlib/zlib.h
rename to lib/zlib/zlib.h
diff --git a/Lib/zlib/zutil.c b/lib/zlib/zutil.c
similarity index 100%
rename from Lib/zlib/zutil.c
rename to lib/zlib/zutil.c
diff --git a/Lib/zlib/zutil.h b/lib/zlib/zutil.h
similarity index 100%
rename from Lib/zlib/zutil.h
rename to lib/zlib/zutil.h