[#73067280] User can cancel an edit

Signed-off-by: Scott Skender <sjskender@gmail.com>
[#73067282] User can delete a person

Signed-off-by: Scott Skender <sjskender@gmail.com>
refactored js app to pull event listeners to the initialize function

Signed-off-by: Scott Skender <sjskender@gmail.com>