Sculpt+Paint/2.5:

* Moved brush NKEY panel from C to Python. Could use some UI review :)
* Added a NULL check in bpy_internal_import.c, was crashing here on Python errors
* Added RNA for vpaint brush and for weight paint
* Added context for vpaint/wpaint similar to edit_object and sculpt_object

source/blender/python/generic/bpy_internal_import.c

@@ -65,6 +65,8 @@ PyObject *bpy_text_import( char *name, int *found )
 	Main *maggie= bpy_import_main;
 	
 	*found= 0;
+
+	if(!maggie) return NULL;
 	
 	if (namelen>21-3) return NULL; /* we know this cant be importable, the name is too long for blender! */