Hack: Keep authentication to database active

For the time being, just refresh our connection
to Couch with every request.
UX: Edit: Cleaner layout for hello basics

Arrange the name, profile image upload, and main
present text in a basic layout that's little cleaner
than the ad hoc work we had before.
UX: Edit: Move communities into own tab

The list of communities wanted to be in their
own tab.
UX: Edit: About: Clean up basic layout

Use the better-looking image uploader
for the background and future sections, put
some placeholders in there, and add some
save buttons, removing the "real-time"
saving stuff.