Made title text field padding better match description box's.

Change-Id: I466b3ffeb06d73aa8a48495d89d0a9a1efd1c195
Hooked up the add category button.

Change-Id: Ie72591d4d3834bac1d78862623d23c78910eef6c
Implemented category swipe to delete.

Even works multi-touch - you can swipe more than one at the same time.

Change-Id: I52de3900c95e2416106e91f5177025e094b1151e