Refactor autoSlugGeneration to work all the time
Refactor autoSlugGeneration to work all the time

Use a single event listener on a parent element, rather than having to
add new listeners each time a part is added or removed.

leftees/publisher,telekomatrix/publisher,telekomatrix/publisher,leftees/publisher,alphagov/publisher,leftees/publisher,alphagov/publisher,telekomatrix/publisher,telekomatrix/publisher,leftees/publisher,alphagov/publisher