smooth gradient for library
Fixed a bug with image thumbnail generation
The thumbnail size in pixels was compared with the point size of the original image
Initialize dictionaries in OEControllerDescription
Added support for wiimote representations.
Make controls actually work.
Don't close main window when game is running. Fixes #528, partial fix for #521
Added a modal when trying to quit while games are running. This fixes #521
Display game title by default #571
Add drag and drop support for .cg - Fixes #498
Added more database actions to debug panel.
Sidebar can highlight various drop locations
Fixed spelling of OESidebarGroupItem
Fixed license for OENonARCHacks.m
Games can be added to collections using drag and drop.
Games and files dropped on entire sidebar create new collections.
Sidebar can import dropped files now.
Sidebar selects newly created collections.
Keep track of running games correctly when using popout gameplay windows
Fixes "Close Window" menu item for the preferences window
Sidebar outline cell draws correctly above drop highlight.