Implement destruction of profile models
Implement deletion of profiles via the REST API
Implement a red button in the LightFace modal dialogs
Remove conflicting styling. Float the delete button left
Fill out scenario for deleting a named profile
Return false if an exception is raised whene deleting a profile
Update element references
Clean up buttons in the modals:

 - Create buttons to delete the profile, save the profile, or close the
   profile editing dialog.
 - Automatically set up ids on buttons, to easily style them.
 - Add comments.