Partial progress on pointer lock
More pointer code
Switching to vector math for movement
Vector strafing added, still needs some code cleanup.
Basic yaw and pitch rotation, not working with movement yet.
Referencing some of the math code from HTML5 Rocks.
Trying to get player to move in direction of rotated camera.
Need to upgrade to newest glMatrix library.
Rotation sorta working. At least scene is showing again.
Fix strafing math.
Merge remote-tracking branch 'remotes/origin/master'

Conflicts:
	trisquare/index.html
Merge branch 'pointerlock'

Conflicts:
	trisquare/index.html
Whitespace cleanup from initial merge.
Previous commit was initial merge, still need to do the code cleanup.