more fixes to get chat functionality working
fixed chat functionality to be guarded by facebook login
fixed loading chat history and mroe chat fixes
Merge branch 'Warren'
Merge branch 'master' of git://github.com/dgl2311/StocksWithFriends

Conflicts:
	StocksWithFriends/StocksWithFriends/Controllers/ChatController.cs
Merge branch 'master' of https://github.com/dgl2311/StocksWithFriends into Chris
Consolidates ChatLogs with other DB types.  Changes user_id back to a string type.
User_id long to string conversion.
Merge branch 'master' of https://github.com/dgl2311/StocksWithFriends into Chris
Calendar events on the home page.
Adds event removal.