Redirect to Github sign in
Switched from pages controller to students controller
Merge branch 'master' into students

Conflicts:
	Gemfile
	Gemfile.lock
	config/routes.rb
	db/schema.rb
Merge master into students
Reviewed Github navigation spec
Reviewed redirection to GitHub login url spec
Created for merging
Merge pull request #6 from RossHepburn/students

Students