Merge pull request #687 from brucehoff/PLFM-2117

Plfm 2117
Fix for Queuer sending more than 10 messages
Configuration change to send smaller messages and hold them for sufficiently long
Annotation worker needs a bit more time to setup now that there's another worker giving it messages.
Some refactoring for splitting message delivery to SQS
Merge pull request #692 from kaysoky/UnsentMessageFix

Fix for UnsentMessageQueuer (mirror)
used to communicate the current membership state of a user
add NONE
Open
Merge pull request #696 from jay-hodgson/develop

used to communicate the current membership state of a user
Merge pull request #695 from brucehoff/PLFM-2117

Plfm 2117
PLFM-2117
Merge branch 'develop' into PLFM-2117
PLFM-2117
PLFM-2117
PLFM-2117
PLFM-2117