Remove an unused view controller for the image gallery, and fix the content mode and background color of the image view on the story detail view controller
Remove an unused view controller for the image gallery, and fix the content mode and background color of the image view on the story detail view controller

MIT-Mobile/MIT-Mobile-for-iOS,xNUTs/MIT-Mobile-for-iOS,xNUTs/MIT-Mobile-for-iOS,smartcop/MIT-Mobile-for-iOS,smartcop/MIT-Mobile-for-iOS,MIT-Mobile/MIT-Mobile-for-iOS