[stresstests] Fixes Data repr
[stresstests] Adds script tool: rabbit-restart-loop.sh
[stresstests]: Show list of missing results when join times out
[stresstests] Set prefetch multiplier to 1 by default so that QoS starvation happens faster
[stresstests] Queue must be durable... also disable auto_delete
[docs] Re-enable otherqueues in index
[docs] Changelog had wrong ref link
[docs] Started writing eventloop reference for the Extending guide
Fixes leak after broker restart.  Closes #1382