Add auth for github
Merge branch 'feature/authirozation_through_github' into develop

* feature/authirozation_through_github:
  Add auth for github

Conflicts:
	db/schema.rb
Merge branch 'develop' of https://github.com/YuryKorotin/c_ext into develop

* 'develop' of https://github.com/YuryKorotin/c_ext:
  add gem_dependencies_controller: index
  delete line with attr_accessible because it doesn't need in rails 4
  separate on tamplates
  include application_helper
  fix model - remove including repository
  add markdown method
  fix design of layout
  add js and css for twitter_bootstrap

Conflicts:
	app/helpers/application_helper.rb
	config/routes.rb