New Reference Frame for Transform and CornerPin2D

New Reference Frame is useful for two things:

A) Set a new reference frame for any baked-in Transform or CornerPin2D node.
B) Generate information for either MatchMove or Stabilize.

Usage:
• Select a Transform or CornerPin2D node.
• From the Panel:
  - Select Origin node's function.
  - Select New node's function.
  - Enter new reference frame.

The script can be executed directly from Nuke's Script Editor or installed (instructions at the file's header).

Changelog:
v. 1.1:
- Fixed bug that occured when naming the new node.
- Added option to disable Multi-threading.

v. 1.2:
- Compatible with Python 3.