TA47199: temporary alteration to process new instanceRange extraConfig value and translate that into minInstance value
TA45116: immediate acknowledgement of serengeti limit instruction
S31830: adds skeletal outline of unit tests for ssh connection cache
S31830: corrects null check in hadoop connection to check dns name instead of ip address
Merge branch 'master' into topic/ghicken/M7-refactor

Conflicts:
	elastic-runtime2/src/main/java/com/vmware/vhadoop/vhm/vc/VcVlsiHelper.java