Removes unused property show view.

 On branch left_sidebar
	deleted:    app/assets/javascripts/backbone/apps/properties/show/show_controller.js.coffee
	deleted:    app/assets/javascripts/backbone/apps/properties/show/show_view.js.coffee
Fixes CSS bugs in channel list view.

 On branch left_sidebar
	modified:   app/assets/javascripts/backbone/apps/channels/list/list_view.js.coffee
	modified:   app/assets/javascripts/backbone/apps/properties/list/templates/member.jst.hbs
Hooks up left sidebar with abstract entity.

 On branch left_sidebar
	modified:   app/assets/javascripts/backbone/entities/abstract/buttons.js.coffee
	new file:   app/assets/javascripts/backbone/entities/abstract/property-nav.js.coffee
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/show/show_controller.js.coffee
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/show/show_view.js.coffee
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_nav.jst.hbs
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_network.jst.hbs
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_property.jst.hbs
	modified:   app/assets/stylesheets/components/left_sidebar.css.scss
	modified:   app/assets/stylesheets/components/page_sidebar_header.css.scss