* Removed alut
* Using libsndfile to load sounds and music
* Added support for playing music files
* Cleaning player list before getting new one (entering user menu several times appended user to existing list)
* Fixed sound pitch causing segfault
* Sound support should now compile fine with MXE
* Added cache for 3 music files to speedup loading
* Updated howto
Fixed edit_test linking issue
Fixed some clang warnings
Merge branch 'dev' into debian
Replace libalut with libsndfile in build-depends