Python API: Initial 'imbuf' API

Support only basic operations new/load/write & resize.

Add now so we can extend as needed & more easily accept patches.

source/blender/python/intern/bpy_interface.c

@@ -74,6 +74,7 @@
 #include "../generic/bgl.h"
 #include "../generic/blf_py_api.h"
 #include "../generic/idprop_py_api.h"
+#include "../generic/imbuf_py_api.h"
 #include "../bmesh/bmesh_py_api.h"
 #include "../mathutils/mathutils.h"
 
@@ -219,6 +220,7 @@ static struct _inittab bpy_internal_modules[] = {
 	{"_bpy_path", BPyInit__bpy_path},
 	{"bgl", BPyInit_bgl},
 	{"blf", BPyInit_blf},
+	{"imbuf", BPyInit_imbuf},
 	{"bmesh", BPyInit_bmesh},
 #if 0
 	{"bmesh.types", BPyInit_bmesh_types},