Project shuffle

Reorganised files
Single storyboard
Changed navigation colour to match company blue
Swapped out default view controller for a table view controller
Added section header and appearance proxy for UIBarButtonItem
Added button for sorting trip to storyboard
SortedViewController added
Segue added for pushing sorted view controller
Added intermediate sorting view controller to more closely match the wireframe
Disabled sélection on cells for unsorted
Merge branch 'feature/storyboard_setup' into develop