Support for running the app in a "portable" mode
Don't size the window to cut off notifications when setting Brief Mode
Use an hourglass for long running operations
Speed up setting GPU environment variables (only set if not set)
Set default values (to avoid null references for invalid user data)
Improve look & feel under OS X and Linux
Fix context menu items not working under Linux
Fixed syntax error - control name
Advanced Settings dialog doesn't use the OS system font
Version info updated