Made details scroll down if gap beneath slider after category delete.

Change-Id: I5163bb90bdecbe36d776334477c41b318422a612
Added hamburger to category labels for swipe to delete discovery.

Change-Id: Ifcaaf2c29436e9b6fedabd9c79a01e5cab8d545c
No description found message wasn't displaying.

Also fixed small autolayout issue with categories which happened before categories had loaded.

Change-Id: I18aff38cee704928802ddfc22eb2fff0353f2726
Category "loading..." message behavior and appearance.

Now consistent with description's loading message behavior.

Change-Id: I507ad02b3776f3448bc9fdc2506b838fd10df634