user doesn't working
Updated gems.
Update user view.
Compile static js file.
add classroom methods; TODO: use nested routes in RESTAdapter
modify authentication to ember-auth
compiled application.js
Activate redirection if user is not logged in
add remember me storage
compiled application.js
add syllabus
Merge pull request #12 from stas/authentication

Added ember-auth to handle authentication.
Updated gems.
Recompiled the static files.
Avoid calls to global variables, also always use @get
Update classroom resource.

We were using @resource 'classroom' wich should be plural.
Use an inherited adapter to avoid polution.
Remove unused classroom model attributes.
Update store adapter definition to the new inherited adaper.
Added syllabus resource.