Added preliminary Performer plugin support, note, still missing are a range of Performer database libs that will be required.

src/osgPlugins/ToPortToCmake.txt

@@ -1,4 +1,3 @@
 dae - ported but not linking properly
 
-pfb
-vrml
+pfb - ported but will need many additional libs

src/osgPlugins/pfb/CMakeLists.txt

@@ -0,0 +1,15 @@
+INCLUDE_DIRECTORIES( ${PERFORMER_INCLUDE_DIR} )
+
+SET(TARGET_SRC 
+    ReaderWriterPFB.cpp
+    ConvertFromPerformer.cpp
+)
+
+SET(TARGET_H 
+    ConvertFromPerformer.h
+)
+
+SET(TARGET_LIBRARIES_VARS PERFORMER_LIBRARY )
+
+#### end var setup  ###
+SETUP_PLUGIN(pfb)