Update inherited resources gem
Add unique: true index to username
Rename User#username to User#name
Add .tm_properties
Unlink .tm_properties
Use master branch of guard-migrate
Add pry-remote-auto
Change description meta tag
Merge branch 'master' into features/manage_users

Conflicts:
	Gemfile
	Gemfile.lock
	app/cells/mini_hub/show.html.slim
	app/models/user.rb
	app/views/layouts/application.html.slim
	app/views/users/index.html.slim
	spec/acceptance/users/sign_in.feature
	spec/factories/users.rb
	spec/models/user_spec.rb
	spec/support/steps/user_steps.rb