Added common headers and footers. Also integrated authentication functions into site.
Merge branch 'master' of https://github.com/mike-parks/ChatDashboard

Conflicts:
	ChatDashboard/chatapp/templates/Authentication/logoff.html
	ChatDashboard/chatapp/templates/dashboard.html
	ChatDashboard/chatapp/templates/header.html
	ChatDashboard/chatapp/templates/list.html