Workaround for checkstyle error building on clean environment
Workaround for checkstyle error building on clean environment

- staging repo was only applied to dependencies and not for
  plugin dependencies

Change-Id: I6c11573290d19133cb3fbb9591590d1a2adbe6b7

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