Add files for demonize celery via systemd.
Edit tutorial for demonizing
Fix tutorial
Fix tutorial
More fixes
Fix
Add in tutorial
Remove celery config file
The help about environment variables
The help about environment variables
Commented out the "Environment" by default
Fixes after timer changes (requires kombu master)
Setuptools extras replaces the bundles concept
Doc fixes
Updated with new setuptools bundles
Removes maybe_block
Wording
Tests passing
Contributing docs used outdated pip -E
Pool now compatible with thread-based transports again