Added python access to material and texture colorbands.

mat.colorbandDiffuse
	mat.colorbandSpecular
	tex.colorband

gen_utils - removed unused func

source/blender/python/api2_2x/gen_utils.h

@@ -69,7 +69,6 @@ PyObject *EXPP_GetModuleConstant(char *module, char *constant);
 
 int StringEqual( const char *string1, const char *string2 );
 char *GetIdName( ID * id );
-PyObject *EXPP_GetIdLib( ID * id );
 int SetIdFakeUser( ID * id, PyObject *value);
 
 ID *GetIdFromList( ListBase * list, char *name );