DEBIAN: Remove unnecessary links against various libraries.
DEBIAN: Add Keywords field in the GemRB desktop.
DEBIAN: Change SDL2MIXER_* to SDLMIXER_* in FindSDL2_mixer CMake file.
DEBIAN: Log full config path instead of the 16-char buffer that overflows.
DEBIAN: SDL20GLVideo plugin uses GemRBPath to look for shader sources.
DEBIAN: Fix default values for GemRBPath and PluginsPath to match installation folders.
DEBIAN: Add plugins/SDLVideo/Shaders to GemRB resources.
DEBIAN: Don't look for unnecessary libvlccore-dev when looking for VLC.