Fix jshint errors.
Fix jshint errors.

kevana/ui-for-docker,crosbymichael/dockerui,sureshchouksey/ui-for-docker,sureshchouksey/ui-for-docker,kevana/ui-for-docker,MrJoy/ui-for-docker,MrJoy/ui-for-docker,sureshchouksey/ui-for-docker,crosbymichael/dockerui,kevana/ui-for-docker,crosbymichael/dockerui,MrJoy/ui-for-docker