Moves header and sidebar Marionette apps to components.

 On branch app_layouts

 Changes to be committed:
	renamed:    app/assets/javascripts/backbone/apps/header/header_app.js.coffee -> app/assets/javascripts/backbone/lib/components/header/header_app.js.coffee
	renamed:    app/assets/javascripts/backbone/apps/header/show/show_controller.js.coffee -> app/assets/javascripts/backbone/lib/components/header/show/show_controller.js.coffee
	renamed:    app/assets/javascripts/backbone/apps/header/show/show_view.js.coffee -> app/assets/javascripts/backbone/lib/components/header/show/show_view.js.coffee
	renamed:    app/assets/javascripts/backbone/apps/header/show/templates/show.jst.hbs -> app/assets/javascripts/backbone/lib/components/header/show/templates/show.jst.hbs
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/left_sidebar_app.js.coffee -> app/assets/javascripts/backbone/lib/components/left_sidebar/left_sidebar_app.js.coffee
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/show/show_controller.js.coffee -> app/assets/javascripts/backbone/lib/components/left_sidebar/show/show_controller.js.coffee
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/show/show_view.js.coffee -> app/assets/javascripts/backbone/lib/components/left_sidebar/show/show_view.js.coffee
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/show/templates/layout.jst.hbs -> app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/layout.jst.hbs
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/show/templates/show_nav.jst.hbs -> app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_nav.jst.hbs
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/show/templates/show_network.jst.hbs -> app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_network.jst.hbs
	renamed:    app/assets/javascripts/backbone/apps/left_sidebar/show/templates/show_property.jst.hbs -> app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_property.jst.hbs