AS-174 - creating server on error

If a server goes into ERROR state while it is building, otter will
delete it and create another one. It does this for max of 3 times
lint fix
logging error build times

also added tests for success and failure build logging
removing bobby tests
lint fix
Merge pull request #609 from rackerlabs/as-174-retry-server-error

AS-174 - creating server on error