fix coop editing process (mealtimes etc stored in coop for edit form pre-population
can create shifts that aren't associated with meals: commando, midnight crew, and a wildcard
fix coop updating on shift creation
fix display of coop info in edit form
fix delete of new shift immediately after create
basic styling of header
clean up formatting of edit coop page
Merge pull request #16 from daf-/edit-coop-process

Edit coop process