From Wang Rui, new native binary/ascii format infrastructure and wrappers.

From Robert Osfield, refactor of Wang Rui's original osg2 into 3 parts - parts placed into osgDB, the ReaderWriter placed into src/osg/Plugin/osg and wrappers into src/osgWrappers/serializers/osg

src/osgWrappers/serializers/osg/Object.cpp

@@ -0,0 +1,18 @@
+#include <osg/Object>
+#include <osgDB/ObjectWrapper>
+#include <osgDB/InputStream>
+#include <osgDB/OutputStream>
+
+REGISTER_OBJECT_WRAPPER( Object,
+                         /*new osg::Object*/NULL,
+                         osg::Object,
+                         "osg::Object" )
+{
+    ADD_STRING_SERIALIZER( Name, "" );  // _name
+    
+    BEGIN_ENUM_SERIALIZER( DataVariance, UNSPECIFIED );
+        ADD_ENUM_VALUE( STATIC );
+        ADD_ENUM_VALUE( DYNAMIC );
+        ADD_ENUM_VALUE( UNSPECIFIED );
+    END_ENUM_SERIALIZER();  // _dataVariance
+}