Added angular-ui-bootstrap v0.11.0.

From
https://github.com/angular-ui/bootstrap/blob/gh-pages/ui-bootstrap-0.11.
0.min.js.
Implemented ui.bootstrap tabs and added some styles.
Made the rfid request return if reader is not ready.
Added stub for card management functions.
Fixed potential error with one public model in api.
Moved GET /opendoor and GET /getrfid out of Users context in tests.
Added GET /users/:id/cards.
Added DELETE /users/:userId/cards/:id.
Added POST /users/:userId/cards.
Fixed flickering button.
Added "required" to input fields.
Added 's'.
Added template card operations.
Fixed model scope.
Removed unused logic.
Added GET /users/:userId/cards/:cardId.
Fixed bugs.

Cards cannot be deleted, new ones do not appear.