[wait] Settings structure

This relates to #216 but does a few things

1. Restructures the apps into a more django 1.6 style
  * In order not to pollute the repository root with all the apps, I've moved them all under src. That would allow us to pull the tests out to a top level folder pretty easily. It's of debatable utility, but I've found it handy on my projects
1. Convert the settings to the two-scoops style