Translate custom Undo/Redo text when language is switched
Make sure a hand icon is used for the text up/down when inside a picture box container
Improve comments in viewport module
Disable main form panel gradients

With container picture boxes, they're no longer feasible.
Initialize ALL selection combo boxes now
Adjust rotation to handle new selection techniques
Completely rewrite preview generation code to account for selection masks

From now on, any selection mask will be compatible with the preview
engine - no extra work required!
Change resize code to account for new selection types
Add tool selection code to image form mouse events

...as we now have multiple tools available!
Store last-used tool to the INI and restore it at load time
Rounded rectangle selections now available

Squares, circles, and ellipses are close behind.