Merge pull request #846 from cmaish/master

Fix encodings of generated room ids to allow unicode
middle click on chat room tab now closes it
Merge pull request #847 from cmaish/master

Make browser toasts show source room
Fix to non-coerce equality operator
Merge pull request #848 from cmaish/middle-click-tab-close

middle click on chat room tab now closes it
First cut for allowed command
Update allowed command to sit in room help, and to deal with rooms you have access to, rather than rooms you're currently in.
Merge pull request #851 from cmaish/allowed-command

Add allowed command
Removed EnsureAllowed from IChatService
Updated everything
Work around bug in FormsAuthMiddleware
Fixed squish it.
Updated WebApi.Owin
Fix close icon on Retina screen
Format Web.config
Align comments in web.config properly.
Updated to the latest client.
Fix JabbR.Client.
Made some changes to JabbR.Client.
- Made IClientTransport a transport factory instead
  to allow reconnect to work properly
- Made default trace level All.
Try to preserve the user's identity for older cookie formats.