Broke page variations application into multiple files for ease of maintenance.
Rename personalize file parts for consistency.
Move UI campaign flow admin functions into their own admin files.
Finish adding newly created include files.
Reorganize edit in context file for maintenance.
Generalize existing classes.
Trigger DOM Selector from regular personalize elements unibar process.
Add back-end calls for variation creation.
Add delete callbacks for element variations.
Add delete link into unibar for element variations
Add menu item for element delete.
Update UI for consistency.
Allow removal of variations to properly affect the UI.
Switch to 'exit variation' when creating an element variation.