Created new directory for OpenFlow tests with 64 switches & 100K hosts

	new file:   64s100Kh/multi_sw_hs
	renamed:    iscsi-test/multi_sw_hs.py -> 64s100Kh/multi_sw_hs.py
	new file:   64s100Kh/multi_sw_hs_main
	new file:   64s100Kh/multi_sw_hs_test