[https://trello.com/c/bxoTWSmi/64-1-adds-styles-for-show-all-badges]

* Created badges helper file for show
* Adds helper method to badges#index view
[https://trello.com/c/bxoTWSmi/64-1-adds-styles-for-show-all-badges]

* Adds specs for badge controller
* Adds specs for badge helper
* Fix index and badge helper