Modeller v0.7.7

The remainder of the night working on Modeller. It is now theoretically possible to create a full animation set however I haven't done so yet :p I did make a smileyface though :)

- 321 Modeller; v0.7.7
  * IMPLEMENTED: Bone list view
  * IMPLEMENTED: Align sprite to bone tool
  * IMPLEMENTED: Change Sprite ID per bone
  * BUGFIX: Remove Motion when no motion selected caused crash

- 321 Modeller; v0.7.8
  * BUGFIX: Bone translation was not being affected by parent rotation