Adding ability to automatically enable flow objective intents via ONOS_USE_FOI env. variable.
Adding ability to automatically enable flow objective intents via ONOS_USE_FOI env. variable.

Change-Id: I2769678f391da38462ecf78fd46c1231a3ba7bb6

kuujo/onos,osinstom/onos,sdnwiselab/onos,maheshraju-Huawei/actn,y-higuchi/onos,y-higuchi/onos,opennetworkinglab/onos,LorenzReinhart/ONOSnew,y-higuchi/onos,sdnwiselab/onos,kuujo/onos,maheshraju-Huawei/actn,sdnwiselab/onos,donNewtonAlpha/onos,oplinkoms/onos,donNewtonAlpha/onos,oplinkoms/onos,sonu283304/onos,LorenzReinhart/ONOSnew,gkatsikas/onos,kuujo/onos,oplinkoms/onos,osinstom/onos,maheshraju-Huawei/actn,osinstom/onos,mengmoya/onos,maheshraju-Huawei/actn,lsinfo3/onos,opennetworkinglab/onos,oplinkoms/onos,y-higuchi/onos,gkatsikas/onos,y-higuchi/onos,LorenzReinhart/ONOSnew,opennetworkinglab/onos,donNewtonAlpha/onos,lsinfo3/onos,Shashikanth-Huawei/bmp,sdnwiselab/onos,opennetworkinglab/onos,donNewtonAlpha/onos,sonu283304/onos,Shashikanth-Huawei/bmp,oplinkoms/onos,gkatsikas/onos,gkatsikas/onos,VinodKumarS-Huawei/ietf96yang,donNewtonAlpha/onos,opennetworkinglab/onos,sdnwiselab/onos,lsinfo3/onos,VinodKumarS-Huawei/ietf96yang,kuujo/onos,kuujo/onos,Shashikanth-Huawei/bmp,Shashikanth-Huawei/bmp,Shashikanth-Huawei/bmp,gkatsikas/onos,VinodKumarS-Huawei/ietf96yang,LorenzReinhart/ONOSnew,sonu283304/onos,mengmoya/onos,maheshraju-Huawei/actn,sonu283304/onos,opennetworkinglab/onos,LorenzReinhart/ONOSnew,mengmoya/onos,kuujo/onos,mengmoya/onos,osinstom/onos,lsinfo3/onos,gkatsikas/onos,kuujo/onos,oplinkoms/onos,osinstom/onos,oplinkoms/onos,mengmoya/onos,VinodKumarS-Huawei/ietf96yang,sdnwiselab/onos,VinodKumarS-Huawei/ietf96yang