* Set the STOP_ON_PASS setting in the grady/settings/instance.py
* Currently uses signals and does not check if the feedback is final
  or not.
* Feedback is validated until the end
* Minor fixes in the importer

* Tests can now be executed from the importer
* All jobs run fine and produce correct results

The project has been refactored so far as the current state of master has been placed under backend/ .
Some changes to the .gitignore and Makefile have been made to accomodate this refactor.