Fixes and changes for Alaveteli 0.17

Here are the changes made as part of the upgrade to Alaveteli 0.17:
* Update the repo to match what was actually installed on the server.
* Change the theme and move files to work with changes made to Alaveteli between 0.12 and 0.17 (mostly the asset pipeline changes in 0.16).
* Fix a few things in the theme that were preventing the site from working.