SyncBot: Link to original thread when creating a flowdock thread
SyncBot: Link to original thread when creating a flowdock thread

* Put any url the listener provides onto the title of a thread
* Strip this off when listening to flowdock events

Change-Type: patch

resin-io-modules/resin-procbots,resin-io-modules/resin-procbots,resin-io-modules/resin-procbots