Cleanup

Merged from old sync on my dropbox. Made pin-wall cols more efficient, new
stuff in tut 4
Added pin count to UI bar

removed pin count from pin shooter render function
Walls reverse on loop now
Added tutorial 6 (WIP)
Merge branch 'develop' of https://github.com/despondentdonkey/bpm into dogpantz

Conflicts:
	bpm_states.js
ALSO rearranged UI stuff, made multiplier font get bigger with multiplier
Merge branch 'develop' of https://github.com/despondentdonkey/bpm into dogpantz

Conflicts:
	assets.js
	bpm_states.js
Fixed some issues with wall toggling, building tut6

Added moveSettings.done to walls to track when they are finished moving.