Applying the helium release patch for openflowplugin

Change-Id: I59198e974376cb76dc3bcf15fd132408538eb850
Signed-off-by: Michal Rehak <mirehak@cisco.com>
Changing .gitreview to use the stable/helium

Change-Id: I7ab197ce6d03c7f03336343bf7760ab8b6fbc1d7
Signed-off-by: Michal Rehak <mirehak@cisco.com>