* Partially mapped sounds.
* Partially documented the music tracker.
* Partially fixed sound name issue.
* Mapped a bunch of rendering and model stuff.
* More model mapping
* More random mappings
* Time to clock out before this PR becomes too big.
* apply fixes
* Boss bar mappings
* Tons of GUI related mappings + reorganization
* Move GUI classes out of gui.screen
* Move classes out of old hud.impl package
* Reorganize GUI packages (number 2)