Rspec clips controller

HEARD YOU LIKE TESTS BRO

Added ClipsController Tests …
  - #create
    - valid params

Added Pending Test …
  - Clips
    - #create, invalid params
      - doesn't work when adding presence validation for clip_link for some reason.

![200](https://cloud.githubusercontent.com/assets/6052282/3283036/039ace9c-f508-11e3-82e0-849c10a4001e.gif)