updated orbit view from hard-coded to dynamic.
added + - controls. fixed bug in remove(). general cleanup.
Merge remote-tracking branch 'origin/testing_images'

Conflicts:
	public/javascripts/webgl_core.js
Circles + folders implemented
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of E:\Aibek\My homework\Fall 2013\CS 326\3Dexplorer\master with conflicts.
Merge remote-tracking branch 'origin/master'

Conflicts:
	public/javascripts/sidemenu.js
Semi final state