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

for osgIntrospection and osgManipulator.

src/osgManipulator/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 <osgManipulator/Version>
+#include <osg/Version>
+
+extern "C" {
+
+const char* osgManipulatorGetVersion()
+{
+    return osgGetVersion();
+}
+
+
+const char* osgManipulatorGetLibraryName()
+{
+    return "OpenSceneGraph Manipulator Library";
+}
+
+}