Although Apple’s new iCloud Photo Library feature remains in beta at this point, iOS 8 still packs in a few nice little photo management features. One of the lesser-known of these is that you can now actually hide photos from showing up in your main timeline in the Photos app. To do this, simply tap-and-hold on a photo — either in the thumbnail or full-screen views — and a context menu will appear with a “Hide” option. Tapping…