add slfj-core dependency
add slfj-core dependency

CNlukai/onos-gerrit-test,Shashikanth-Huawei/bmp,kuujo/onos,mengmoya/onos,packet-tracker/onos,SmartInfrastructures/dreamer,oeeagle/onos,y-higuchi/onos,mengmoya/onos,maheshraju-Huawei/actn,chenxiuyang/onos,CNlukai/onos-gerrit-test,oplinkoms/onos,castroflavio/onos,maheshraju-Huawei/actn,chinghanyu/onos,Shashikanth-Huawei/bmp,opennetworkinglab/onos,osinstom/onos,y-higuchi/onos,y-higuchi/onos,kuujo/onos,Shashikanth-Huawei/bmp,zsh2938/onos,kkkane/ONOS,zsh2938/onos,opennetworkinglab/onos,VinodKumarS-Huawei/ietf96yang,mengmoya/onos,chenxiuyang/onos,VinodKumarS-Huawei/ietf96yang,rvhub/onos,oplinkoms/onos,kuangrewawa/onos,jinlongliu/onos,sonu283304/onos,kuujo/onos,planoAccess/clonedONOS,jmiserez/onos,opennetworkinglab/onos,mengmoya/onos,kuangrewawa/onos,castroflavio/onos,kuujo/onos,VinodKumarS-Huawei/ietf96yang,zsh2938/onos,maheshraju-Huawei/actn,chinghanyu/onos,jinlongliu/onos,oeeagle/onos,sonu283304/onos,mengmoya/onos,packet-tracker/onos,gkatsikas/onos,osinstom/onos,gkatsikas/onos,jinlongliu/onos,chinghanyu/onos,planoAccess/clonedONOS,LorenzReinhart/ONOSnew,kkkane/ONOS,jmiserez/onos,lsinfo3/onos,SmartInfrastructures/dreamer,lsinfo3/onos,opennetworkinglab/onos,sonu283304/onos,gkatsikas/onos,donNewtonAlpha/onos,CNlukai/onos-gerrit-test,oeeagle/onos,sdnwiselab/onos,maheshraju-Huawei/actn,oeeagle/onos,sdnwiselab/onos,VinodKumarS-Huawei/ietf96yang,chinghanyu/onos,oplinkoms/onos,gkatsikas/onos,kuujo/onos,LorenzReinhart/ONOSnew,zsh2938/onos,opennetworkinglab/onos,donNewtonAlpha/onos,oplinkoms/onos,Shashikanth-Huawei/bmp,opennetworkinglab/onos,LorenzReinhart/ONOSnew,LorenzReinhart/ONOSnew,ravikumaran2015/ravikumaran201504,y-higuchi/onos,sdnwiselab/onos,ravikumaran2015/ravikumaran201504,packet-tracker/onos,lsinfo3/onos,kuujo/onos,kuujo/onos,sdnwiselab/onos,oplinkoms/onos,donNewtonAlpha/onos,kkkane/ONOS,SmartInfrastructures/dreamer,maheshraju-Huawei/actn,chenxiuyang/onos,LorenzReinhart/ONOSnew,lsinfo3/onos,castroflavio/onos,jinlongliu/onos,gkatsikas/onos,Shashikanth-Huawei/bmp,sonu283304/onos,rvhub/onos,VinodKumarS-Huawei/ietf96yang,planoAccess/clonedONOS,rvhub/onos,oplinkoms/onos,rvhub/onos,donNewtonAlpha/onos,jmiserez/onos,castroflavio/onos,kuangrewawa/onos,packet-tracker/onos,osinstom/onos,sdnwiselab/onos,CNlukai/onos-gerrit-test,jmiserez/onos,donNewtonAlpha/onos,chenxiuyang/onos,kkkane/ONOS,sdnwiselab/onos,ravikumaran2015/ravikumaran201504,osinstom/onos,oplinkoms/onos,osinstom/onos,y-higuchi/onos,planoAccess/clonedONOS,gkatsikas/onos