Update remotemininetdriver

Changes include:
	*Add some documentation, comments, and TODO's
	*Add sudo to be able to write to /tmp without changing permissions
	*Parameterize TestON user and ip
	*Update get_flowTable to work on the OF1.3 ovs switch
	*Comment out removal of saved ping files. This assumed MN was not on the same machine as
	 TestON and scp overwrites files anyways
	*Print flowtables if they don't match