v0.4

• Updated doc
• workers started with supervisor
• flower to supervise runners (but bug: cannot see runners tasks)

v0.3

• updated deployment for openstack
• added celery soft and hard time limit
• updated documentation

v0.2

• now possible to use specific workflow and specific type of data files
• fixed the "cache" bug when using celery
• new documentation about how to use datarun (docs folder)