Merge branch 'release/0.5.4' into develop
Add initial migration for current model
Add modified model migration step

- display group info on job admin page
Added test for group model and it's functions
Improve function and add slumber ops

- Replace 2nd migration step with latest update of model
- New slumber ops  to provide progress data
- Add more test for model and slumber ops
Changes a method for testable purpose

- Make change for progress method
- Add mode test for slumber
Merge branch 'develop' of github.com:vernomcrp/django-async into develop
Apply useful comments to the code.

- Reduced str func call from column display in admin page.
- Tailing \n in migration step.
- Made change from normal count func to aggregate func in order to
reduce db call.
- Added http404 return at slumber ops in case of no target group.
- Added slumber ops test in case of error appear.
Correct package details
Added newline at 2nd migration step
Merge pull request #7 from vernomcrp/develop

Add group model for grouping jobs, slumber operation for that model
Added travis test script.
Add a missing dependancy.
Add the Travis badge.
Ignore admin, test and migration files.
Break some long lines.
Broken various long lines.
Added descriptions of the methods and renamed some.
Break more long lines.
Mark some unused arguments.