Displaying user messages in windows.
Convert messages to conversations.
Styling received messages and user avatar
Fix bug in Conversation.shouldContainMessage services.js
Sending messages from existing conversations on the client side
Added socket.io dependency
Client and server socket.io connectivity
Socket.io message notification
Updated window widget
Conversation enhancements: 75 queue limit, start conversations
Fix delete button
Clean up of other pages:login, profile, authentication
JSHINT fixes
Provide host configuration option for facebook callback