build docs for new modules
add a command to start celery for dev
set celery serializer to msgpack

The default serializer pickler is not safe
add proper config for celery sentry support
Merge pull request #13 from blurrcat/celery_sentry_support

Celery sentry support
change travis notification to detalytics
Merge pull request #14 from blurrcat/master

change travis notification to detalytics
Merge commit 'bcc0698f6767f8a9fec7765ef44415b6fe80d0be' into upstream-master