Factor out a log_in_as test helper method
Show site configuration on the Settings page too

Well that was fun to figure out. Yay for magic keys!

The site layout stuff is being metaprogrammed to hell and back, and
because we changed :config to :trusty_config, the keys weren't matching
up with stuff in here. Wheeee.
Writing the start of a test for the new layout page

I wanted to make sure this didn't have anything to do with the change I
just made for the config and it doesn't. This still gets an error.
Merge pull request #66 from carols10cents/fixin

Fixin