What's New:

The 2.6.0 release features the addition of the TAS Editor to the Qt/SDL port. There are also a few other bug fixes.

TAS Editor
- The full TAS editor has been ported over from the Win32 version. Other than minor layout changes, Win32 TAS users should find it familiar.

GUI Improvements and Bug Fixes
- Fixed occasional stack overflow issue due to unintended recursion in Qt event loop.

Video Improvements and Bug Fixes
- Added video vertical sync config option.
- Added built-in video vertical sync test pattern.

Input Improvements and Bug Fixes
- Added escape characters to gamepad config files to fix keyboard binding issue for ',' and '\' keys.

Build Improvements
- Replaced a few soon-to-be deprecated ffmpeg function calls.
- Cleaned up a few compiler warnings.