Fix whitespace issues
Inject nodepool to TestQueue
Cover addJob with some tests, fix manual orm

Since we have a new column, fromRecord had to be adjusted. Also covering
the addJob with some tests.
Test nodepool removal
Asserting on node removal
extract get_queued_enabled_tests
Cleanup whitespaces
Use sa to insert new jobs to the queue
Replace getAllWhere with SA query
implement retrieve with SA queries
Use a thread local session

By using scoped_session, it will maintain a registry, so the same
session will be returned by subsequent calls to Session()
whitespace cleanup
Use sqlalchemy instead of SQL UPDATE
use SA for delete, cut unsed DB methods
Merge pull request #12 from matelakat/add-sa-orm

Add sa orm