Fixed a bug where measured rate was not reported properly
Added comments into flow_add_delete_test and inventory_crawler
Updated README

Change-Id: Iaa90667ebd549d3ed8072cfce7fbb477455a2c96
Signed-off-by: Jan Medved <jmedved@cisco.com>
Merge "Fixed a bug where measured rate was not reported properly Added comments into flow_add_delete_test and inventory_crawler Updated README"