Sound Playing

[ryanlarkin]

Needs/wants:

Play sound from inside jar [Completed]
Play looping music [Completed]
Play test sound when method is called, test with 't' [Completed (Using screenshots)]
Stop music and sound when closed or going to menu [Requires Menu]

Related PRs:
[#22] Add support for single sound
[#23] Update circle speed, redo sound
[#24] Semi-Dynamically load sounds
[#29] Use MP3 instead of Wav
[#47] Update formatting, fix '.' to '/' issues when loading sounds
[#60] Upgrade LWJGL to LWJGL 3
[#64] Misc Improvements
[#73] Update to LWJGL3 beta
[#111] Many misc improvements
[#122] Update to the LWJGL 3.0 release, improve key mapping retrieval