Deleting message feature implemented
Fix a bug on glyphicons
Sound notification for each comptoir
Add a notification in the chatbox on wizz
Message edition - client side (ui)
Edition handled both server and client side
Add last_edit field to model
Change password feature
Improve UI on modal
Fix two minor bugs
Adding fields to model for edition and me-msg
Adding /me messages
Merge branch 'feature/msg-control' into develop

Conflicts:
	chat/static/chat/js/chat.js
Fixing bug on display me message
Change pwd position
Working on 404 page
Finishing error pages
Adding joined sound effect
Working on aside panels
Important work on design improvment