Add about us page, with photo.
Pic positioned correctly for desktop, but not for mobile
Profile pic disappears under 850px window width
Add coverage directory to gitignore
Remove coverage/ directory from git version control
insignificant edits
Refactor add_an_activity feature specs
Add Activity form successfully creates new Category if category w/ name supplied does not exist.

Also fixed tests
Category_string field in Add & Edit Activity forms now autocomplete
Fix edit/update Activity to use autocomplete & refactor a bit