test framework: add Gruntfile tasks
test framework: add Gruntfile tasks

OpenNetworkingFoundation/CENTENNIAL,demx8as6/CENTENNIAL,demx8as6/CENTENNIAL,demx8as6/CENTENNIAL,demx8as6/CENTENNIAL,demx8as6/CENTENNIAL,OpenNetworkingFoundation/CENTENNIAL,demx8as6/CENTENNIAL,demx8as6/CENTENNIAL,OpenNetworkingFoundation/CENTENNIAL,OpenNetworkingFoundation/CENTENNIAL