Use new simple_shell
Destroy action for repository
Have a propper home screen
Determine a projects' status based on the last build of each repo
A repository has build instructions

- It guesses some on create (rake, bundle, rspec, etc.)
- There is a builder
No swp files in git plz
Be a little smarter about checkout

- When the HEAD is already the build-branch, do nothing
- When the build-branch already exists, make it HEAD
- Otherwise; Create a new build-branch
Add a destroy-can to the repo
Do not use a thread for the build worker. Already evented
Change locking strategy