To be on the safe side default start_heart to True and log a message when we create a new instance.
To be on the safe side default start_heart to True and log a message
when we create a new instance.

Plexxi/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,StackStorm/st2,Plexxi/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2