Removed anon name collisions and reset anon user name if name is taken in interim.
Changes to fix infinite posting.
Added jasmine spec reporter and tests for anonymous name collisions.
Merge branch 'anonNameCollide' of https://github.com/adi2412/codecombat into adi2412-anonNameCollide

Conflicts:
	app/views/modal/signup_modal.coffee
Merge branch 'tests' of https://github.com/adi2412/codecombat into adi2412-anonNameCollide
Merge branch 'adi2412-anonNameCollide'
Merge branch 'master' of https://github.com/codecombat/codecombat