Initial split from Karaage3.
Don't start if djcelery not configured.
Rename django jobs app to usage_jobs.

Try to avoid conflicts with Karaage.

Django 1.7 has another mechanism to do this, but not release yet.
Support automatic database migrations.
Fix db migrations.
Rename templates directory.
Ensure templates get installed.

+ other fixes to setup.py.
Change the URL.
Update plugin API.
Attempt to use python-amqp.

python-librabbitmq is broken, see
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=736348

Closes #243.
Fix bad imports.
Update plugin API.
Undo change to GRAPH_ROOT.

Not ideal, but needed until we can fix Apache config mess.
Use FILES_DIR and FILES_URL for graphs.
Fix bad generation of paths.
Don't import debconf everywhere.
Fix: get_logger() no longer works in sid.
Add .ignore file.
Add .gitreview file.
Set CELERY_LOADER, required for django-celery.

Change-Id: Ia7334d47ccafa699b8990232d68ac7d997157054