#47 Continued styling form cells
#47 Continued working on use case 19 - subclasses UITextField and UITextView so that we can easily determine the parent table view cell, and thus index, in the text field / view delegate methods
#47 Fixed issues with clear cell backgrounds on dragging
#47 Finished styling the form item cells and refactored the class heirarchy a bit to reduce code duplication
#47 Finished hooking up the various ui events to the view controller and briefly tested the fluid ui