Working on edit_sa_sda_competency_areas.  Fixed display of general sa competency_areas.
Edit pages for sa_sdas, sa_comps, and sda_comps work. Lots of cruft left from figuring out an editing scheme.
Cleaned most of the cruft from sorting recent edit scheme.
Edit competency area works, but need to change eu from charfield to text field.  Will require migration.
Edit essential understanding works.
Edit_essential_understanding renders textarea properly.
Edit_competency_area renders properly, using textarea.