Features:
- Foward Energy Parameter
- Progress bar when running HD Quality
- Retain/Remove/Clear brush cursor now properly scales with the image zoom level
- Save/Load of the Mask now available (as a .png)
- The Mask is saved/restored during Undo/Redo operations
- Shortcuts use Qt's platform specific definitions (hopefully allowing them to work on Mac)
- Upgraded to Qt 4.4.1 (hopefully allowing for better performance)
