rotation angle fields to BeatMap.pde
Merge branch 'master' of https://github.com/Rotoscope/Beat
Merge branch 'master' of https://github.com/Rotoscope/Beat
Work on authoring mode UI
Merge branch 'master' of https://github.com/Rotoscope/Beat

Conflicts:
	Beat/Beat.pde
Added customization UI. Added some code to save from beatmap to file.