Clean up Makefiles and start running all the unit tests

 * Remove non-existent applications

 * Most importantly, start running all the unit test. This should include 500+ new couch tests.

 * Noticed `local` application was flaky and periodically timing out in CI.
   Since it's a transitive dependency of jaeger, let's skip running it for now.
   It's a bit in the same category as brcypt, meck and hyper.
2 files changed