From David Callu, improved consistency of Version strings and add version support

for osgIntrospection and osgManipulator.

src/osgIntrospection/CMakeLists.txt

@@ -35,6 +35,7 @@ SET(LIB_PUBLIC_HEADERS
     ${HEADER_PATH}/type_traits
     ${HEADER_PATH}/Utility
     ${HEADER_PATH}/Value
+    ${HEADER_PATH}/Version
     ${HEADER_PATH}/variant_cast
 )
 
@@ -52,6 +53,7 @@ ADD_LIBRARY(${LIB_NAME}
     Type.cpp
     Utility.cpp
     Value.cpp
+    Version.cpp
 )
 
 LINK_INTERNAL(${LIB_NAME}

src/osgIntrospection/Version.cpp

@@ -0,0 +1,30 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#include <osgIntrospection/Version>
+#include <osg/Version>
+
+extern "C" {
+
+const char* osgIntrospectionGetVersion()
+{
+    return osgGetVersion();
+}
+
+
+const char* osgIntrospectionGetLibraryName()
+{
+    return "OpenSceneGraph Introspection Library";
+}
+
+}