Adds courses/:id to router

[#20]
Writes a CourseRoute

[#20]
Removes blockers in ApplicationController
Writes api/courses#show

[#20]
Adds a log_in method

* And uses respond_with
[#20]
Adds imageUrl to course serializer / course model

[#20]
Writes course/:id template; links to courses template

[#20]
Removes imageHelper, which doesn't play nicely

* Foundation and Ember are fighting.
Adds expectation for course id
Merge pull request #27 from gschorkopf/gschorkopf/course_show

Gschorkopf/course_show
Adds ruby-version dot file
Writes RoundsController#show

* Adds #show action
* Namespaces within API
Creates RoundSerializer

Adds basic attributes
Namespaces RESTAdapter
Implements Round model in Ember
Writes round#show view and route
Adds displayDate helper (and includes moment library)

[#14]
Adds scorecards hasMany association and serializer

[#14]
Removes unneeded gitkeeps
Adds necessary scorecard_ids to RoundSerializer

[#14]