Added Mesh.New() method; can now create new meshes within the module

Changed Object.link() to allow link objects with both BPython-type meshes
Changed Object.getData() to allow retrieving both types of BPython-type meshes

Added new mesh types to Types module

source/blender/python/api2_2x/NMesh.c

@@ -3374,7 +3374,7 @@ int NMesh_CheckPyObject( PyObject * pyobj )
 	return ( pyobj->ob_type == &NMesh_Type );
 }
 
-Mesh *Mesh_FromPyObject( PyObject * pyobj, Object * ob )
+Mesh *NMesh_FromPyObject( PyObject * pyobj, Object * ob )
 {
 	if( pyobj->ob_type == &NMesh_Type ) {
 		Mesh *mesh;