Renamed endpoints to challenges and made controller.
Challenges working!
Challenges kind of working
Merge branch 'challenges'

* challenges:
  Challenges kind of working
  Challenges working!
  Renamed endpoints to challenges and made controller.

Conflicts:
	app/assets/javascripts/locations.js
	app/assets/stylesheets/styles.css.scss
	app/views/layouts/application.html.erb
Deleted locations.js
Fixed some stuff :)
Turned game into partial and added pano into game. Also validations.