Added video comment is on, space for parent comment/discussion keys
Basic comment threading implemented
Merge branch 'master' of https://github.com/mcb80x/minimal-player into commentThreading

Conflicts:
	frontend/js/player_main.coffee
	static/js/player_main.js
Comment thread implemented
Merge pull request #43 from thompsona/commentThreading

Comment threading added
Merge branch 'master' of https://github.com/mcb80x/minimal-player into minmaster

Conflicts:
	templates/player.jade