-refactored utility code to separate modules and classes
-upgraded stress test to include cleanup after test
-added test for operation data store

Change-Id: Ifc7329cefb02a544025d2c547ad2806b6f875c0d
Signed-off-by: Juraj Sebin <jsebin@cisco.com>
Merge "-refactored utility code to separate modules and classes -upgraded stress test to include cleanup after test -added test for operation data store"