Resurrect getRoom, getUser on web UI (in hidden mode),

Reveal with: "$scope.show_all = true; $scope.$digest()" in devtools with
Angular-batarang installed.

Added funny joke

Allow to send a message through the bot's UI, in any room.
deployer: updated to handle a different deployment/ repo branch.
deployer: Fixup usage note.  Notify personnally on "git fetch" error.

Added mood-dependent deploy successful message :)