合并初期版本
	新文件：    app/assets/javascripts/mobile/home.js.coffee
	新文件：    app/assets/stylesheets/mobile/home.css.scss
	修改：      app/assets/stylesheets/mobile/questions_left.css.scss.erb
	修改：      app/controllers/answers_controller.rb
	修改：      app/controllers/mobile/answers_controller.rb
	新文件：    app/controllers/mobile/home_controller.rb
	修改：      app/controllers/mobile/questions_controller.rb
	修改：      app/controllers/questions_controller.rb
	修改：      app/controllers/static_controller.rb
	删除：      app/helpers/mobile/questions_helper.rb
	新文件：    app/views/layouts/mobile/mobile.html.haml
	修改：      app/views/mobile/answers/_fake.html.haml
	修改：      app/views/mobile/answers/_solution.html.haml
	新文件：    app/views/mobile/home/index.html.haml
	删除：      app/views/mobile/questions/_finished.html.haml
	删除：      app/views/mobile/questions/_jiathis.html.erb
	删除：      app/views/mobile/questions/_new_social_link.html.erb
	修改：      app/views/mobile/questions/_question.html.haml
	删除：      app/views/mobile/questions/_social_buttom_links.html.haml
	删除：      app/views/mobile/questions/_social_links.html.haml
	修改：      app/views/mobile/questions/show.html.haml
	修改：      config/routes.rb