add controller, view, routes
fix typo
Added routes, controller and views for attempts with test.
add attributes to rabl
Attempts test updated.
Added specifications and tests for UUIDs controller.
add Users API task test
Merge pull request #9 from lion-of-conquest/attempt_request

Attempt request
edit Users API task test
Merge branch 'uuid'
merged uuids.
merged 'challenge'.
Merge branch 'challenge'
updated routes.
Merge branch 'task'
requst.
Merge branch 'master' into attempt_request
Merge branch 'attempt_request'
Merged attempt.
Updated to UUID vs. MongoId. Fixed Users tests and JSON output.