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

for osgIntrospection and osgManipulator.

src/osgDB/Version.cpp

@@ -23,7 +23,7 @@ const char* osgDBGetVersion()
 
 const char* osgDBGetLibraryName()
 {
-    return "OpenSceneGraph DB (data base) Library";
+    return "OpenSceneGraph DB (Data Base) Library";
 }
 
 }