Setup up for backbone.js and bootstrap
added boostrap
added backbone
basic map and user location
added theme
Merge remote-tracking branch 'origin/front-end'

Conflicts:
	Gemfile.lock
	app/assets/stylesheets/welcome.css.scss
	app/controllers/welcome_controller.rb
	app/views/welcome/index.html.erb
	config/routes.rb
	test/controllers/welcome_controller_test.rb