Small copy change.

 On branch left_sidebar
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/show/templates/show_network.jst.hbs
Select active tab in sidebar based on context.

 On branch left_sidebar
	modified:   app/assets/javascripts/backbone/apps/channels/channels_app.js.coffee
	modified:   app/assets/javascripts/backbone/apps/channels/list/list_controller.js.coffee
	modified:   app/assets/javascripts/backbone/lib/components/left_sidebar/left_sidebar_app.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