Replace Gearman with RabbitMQ
Use RabbitMQ to immediately reindex changed records
flake8 cleanup
flake8 cleanup
Restore worker service control script with --server flag removed
Fix worker discovery
Merge branch 'master' into feature-rabbitmq

Conflicts:
	requirements.txt
	rooibos/solr/views.py
Update logger name
Add missing argument
Merge branch 'feature-rabbitmq'