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.
Disabled flashing of sidebar outline cell.
Drop highlight on entire sidebar view matches the highlighting of groups now.
Grid, blankslate and list view import dropped files into the current collection if possible.
Got rid of terminateEmulationOrCloseWindow
Drop highlight is closer to original mockups.
Added checkbox to debug panel to toggle displayGameTitle-option (Issue #517)
Merge remote-tracking branch 'upstream/master'