Merge pull request #348 from stevendgonzales/master

stop flushing the index on every write
removing syslog server changes
Merge pull request #349 from zinic/master

removing syslog server changes
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Merge pull request #350 from stevendgonzales/master

celery stop stealing my logger!!!
Merge pull request #351 from stevendgonzales/master

reinstate celery beat mode
Merge pull request #352 from stevendgonzales/master

reinstate indefinite retry in persist_message