Blender Git Loki

A bunch of fixes for macro-type operators - Armatures + Objects

* Extrude and Duplicate for Armatures now use proper macros instead of manually calling transform themselves. This means that repeating these operators now works properly.
** NOTE: there's a bug with macros now which prevents the 'forked' extrude operator working correctly. Bug report filed for this.

* Included the proper operators for extrude and duplicate in the toolbar + menus. The operators used there did not activate transform, which meant that users often could not tell that the operation had occurred at all.