Merge pull request #15 from jamkcas/working

cleaned up index page and added back, new hunt buttons. added new hun and back button functionality and organized the hunt.js.coffee file a little
Merge pull request #16 from jamkcas/working

added a back button to the hunts view and fixed some variable naming iss...
added loc_order to location model, refactored location.js
Merge pull request #17 from jennielouie/working

added loc_order to location model, refactored location.js
added authentication to the hunts controller, changed the hunt query in the index method to only find the hunts of the current user