* added an armature submenu where python defined armatures can go.

* bpy.utils.display_name(), which makes filenames and module names look nicer in menus eg... /home/me/foo_bar.py  --> "Foo Bar"
* missing rna_path --> data_path renaming

release/scripts/modules/rigify/copy.py

@@ -24,8 +24,21 @@ from rna_prop_ui import rna_idprop_ui_prop_get
 
 METARIG_NAMES = ("cpy",)
 
+# note, this example is just a bone with copy property.
 def metarig_template():
-    pass
+    # generated by rigify.write_meta_rig
+    bpy.ops.object.mode_set(mode='EDIT')
+    obj = bpy.context.active_object
+    arm = obj.data
+    bone = arm.edit_bones.new('Bone')
+    bone.head[:] = 0.0000, 0.0000, 0.0000
+    bone.tail[:] = 0.0000, 0.0000, 1.0000
+    bone.roll = 0.0000
+    bone.connected = False
+
+    bpy.ops.object.mode_set(mode='OBJECT')
+    pbone = obj.pose.bones['Bone']
+    pbone['type'] = 'copy'
 
 def metarig_definition(obj, orig_bone_name):
     return [orig_bone_name]