Bug 1028407 - Establish connection to server faster.;r=jgriffin

There was a 5 second sleep() in the Marionette client. The history of
its value is unclear, but bug comments seem to indicate that Gecko
wasn't completely initialized during the observer notification that
starts the server. We removed the sleep.
Bug 1066785 - Log a summary of expected and unexpected statuses in the mozlog StatusHandler summary.;r=jgraham
Bug 1079635 - Implement a verbose option for the machformatter for those debugging tests locally.;r=jgraham