Bug 1254 - Added unit tests for ActionConvertor

 - contains FIXME for SetNwSrc and SetNwDst ip address translation

Change-Id: If6c617e5b2d5452ca19c92b9a7dd632e07cda932
Signed-off-by: Michal Polkorab <michal.polkorab@pantheon.sk>
Bug 1254 - Added unit tests for FlowConvertor, NotificationQueueWrapper and OpenflowPluginProvider

 - also fixed OFToMDSalFlowConvertorTest - instruction type in testToSALInstruction()
   was not set correctly

Change-Id: I3fb7a1a4d3c94d3c01ebf707d0d0d9431f56a17b
Signed-off-by: Michal Polkorab <michal.polkorab@pantheon.sk>