Fix port forwarding collisions in parallel run of multi-machine env#226

Merged

legal90 merged 2 commits intoParallels:masterfrom

legal90:fix-fp-collisions

Nov 5, 2015

Commits on Nov 3, 2015

Add lock to "forward_ports" action to avoid the parallel execution
legal90
committed
Reduce the number of driver calls in "forward_ports" action
legal90
committed