[Engine-Slick2D] Hide FPS
[Engine] Added missing annotations
[Engine] Fixed rendering of the minimap
[Engine-Nifty] Code cleanup and documentation
[Engine-Slick2D] Improved font implementation
[Engine-Backend] Extracted some helper function to shared backend code
[Engine-Backend] Extracted abstract cursor manager from Slick2D implementation
[Engine] Improved sound playback interface
[Engine-libGDX] Development snapshot of the libGDX backend

The backend is not working yet!
[Engine-libGDX] Fixed loading of native mouse cursors
[Engine-libGDX] Rendering works, all graphics IG are turned to the side
[Common] Added full name of raelith to the credits
[Engine-libGDX] Fixed rendering of sprites
[Engine-libGDX] Implemented way to properly shutdown the client