* add Jukebox library
todo:
- saving / loading of new format
- inferrence of unknown data like past versions
- move the temporary float casts to proper use of double
- make sound related functions take double for timing
- inform people that the Jukebox sound player was renamed to SoundByte lol
* make sound, input scheduling, and super curve use double precision
* successfully load charts
* editor works again
v1 riqs can be saved and loaded
* first tempo and volume markers are unmovable
fix loading of charts' easing values
* use gsync / freesync
* update Jukebox refs to SoundByte
* game events use double part 1
Air Rally - Glee Club converted
* don't load song if chart load fails
* finish conversion of all minigames
* remove editor waveform toggle
* timeline now respects added song offset length
clear cache files on app close
prepped notes for dsp sync
* update timeline length when offset changed
* update to latest Jukebox
* make error panel object in global game manager
* improve conductor music scheduling
* added error message box
fix first game events sometimes not playing
* fix game view alpha issues
* fix right-clicking on parameter-less entity locking event selection
* reduce ram use of rendertextures
* fix missing sprite references
fix cheer readers sprite masks not working
* fix lockstep rendering discrepancy
* fix section medal toggle not matching described behaviour in UI
* fix game settings masking issue
* dj school "Scratchy Music" toggle on by default
* import new sheets for fan club, mahou tsukai
* make dj school audio FX persist between game change
* make one shot sounds not create extra objects when not needed
* fix potential issue with new one shots
* make string properties apply changes for every keystroke
