Merge pull request #2 from Cheerazar/migrations_and_models

Migrations and models
creates initial nested routes
  - creates User routes
  - creates Breakout routes
  - creates Comment routes
Add teacher and user models.
Merge branch 'master' into routes

Conflicts:
	config/routes.rb
changes field type in signups table(migration) from 'breakout_id' to 'integer'
Update User model.
Add Breakout, Comment, and Signup models.
adds initial breakout_controller
adds initial breakout view
adds nav-bar with Bootstrap
adds header partial
adds initial breakout controller actions
adds partials for BootstrapCDN
generates devise views
adds devise views.
Merge pull request #3 from Cheerazar/routes

Routes
Add Teacher and User models.
Update create_teachers and create_signups migrations.
Add additional views and logic. Fix issue in create signups merge conflict.
Merge branch 'master' into migrations_and_models
Conflicts:
	db/migrate/20140831192557_create_signups.rb
Remove teacher model and migration.
Update breakouts to include a time column.