Stack module quiescing manager code
Fix compiler errors
Missing break statement in the QuiescingManager FSM
Merge branch 'sprout-scaling-down' of github.com:Metaswitch/sprout into sprout-scaling-down
Fix up UTs
Extract a method for reporting flows_done
Enhance FSM logs for easier debugging
Merge remote-tracking branch 'origin/sprout-scaling-down' into all_scaling_down

Conflicts:
	sprout/main.cpp
	sprout/stack.cpp
Add QuiescingManager to stateful_proxy_init