Add teacher and user models.
Update User model.
Add Breakout, Comment, and Signup models.
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.
Merge pull request #4 from Cheerazar/migrations_and_models

Migrations and models