* new metarig type for the durian dragon leg (original rig by Cessen)

* option to roll the delta of the arm rig.
* fix to copy metarig type
* renamed EditBone.align() --> EditBone.align_roll()
* Added EditBone.align_orientation(other)
* Added bone.vector: same as (bone.tail - bone.head)

release/scripts/ui/properties_data_bone.py

@@ -226,6 +226,7 @@ class BONE_PT_display(BoneButtonsPanel):
             col.label(text="Custom Shape:")
             col.prop(pchan, "custom_shape", text="")
 
+
 class BONE_PT_inverse_kinematics(BoneButtonsPanel):
     bl_label = "Inverse Kinematics"
     bl_default_closed = True