fix backwards incompatiable change with broker.balancer config
fix backwards incompatiable change with broker.balancer config

zxs/druid,Fokko/druid,solimant/druid,implydata/druid,leventov/druid,metamx/druid,liquidm/druid,penuel-leo/druid,anupkumardixit/druid,optimizely/druid,skyportsystems/druid,mrijke/druid,minewhat/druid,zhihuij/druid,deltaprojects/druid,nishantmonu51/druid,michaelschiff/druid,zengzhihai110/druid,zhaown/druid,redBorder/druid,nishantmonu51/druid,Kleagleguo/druid,minewhat/druid,premc/druid,premc/druid,haoch/druid,druid-io/druid,fjy/druid,Fokko/druid,elijah513/druid,smartpcr/druid,qix/druid,authbox-lib/druid,Fokko/druid,nishantmonu51/druid,gianm/druid,implydata/druid,winval/druid,pombredanne/druid,zhaown/druid,tubemogul/druid,pdeva/druid,noddi/druid,tubemogul/druid,wenjixin/druid,qix/druid,zhihuij/druid,premc/druid,Deebs21/druid,yaochitc/druid-dev,gianm/druid,solimant/druid,milimetric/druid,haoch/druid,winval/druid,praveev/druid,monetate/druid,b-slim/druid,pjain1/druid,knoguchi/druid,wenjixin/druid,mghosh4/druid,lizhanhui/data_druid,amikey/druid,milimetric/druid,Deebs21/druid,skyportsystems/druid,metamx/druid,winval/druid,lcp0578/druid,deltaprojects/druid,penuel-leo/druid,mangeshpardeshiyahoo/druid,qix/druid,qix/druid,authbox-lib/druid,smartpcr/druid,Fokko/druid,deltaprojects/druid,michaelschiff/druid,mghosh4/druid,zhiqinghuang/druid,implydata/druid,smartpcr/druid,amikey/druid,KurtYoung/druid,Fokko/druid,dkhwangbo/druid,calliope7/druid,mghosh4/druid,monetate/druid,yaochitc/druid-dev,deltaprojects/druid,eshen1991/druid,cocosli/druid,haoch/druid,potto007/druid-avro,pombredanne/druid,Kleagleguo/druid,guobingkun/druid,mangeshpardeshiyahoo/druid,mrijke/druid,potto007/druid-avro,friedhardware/druid,mrijke/druid,elijah513/druid,eshen1991/druid,dclim/druid,noddi/druid,michaelschiff/druid,michaelschiff/druid,liquidm/druid,767326791/druid,solimant/druid,pdeva/druid,deltaprojects/druid,zengzhihai110/druid,dclim/druid,praveev/druid,KurtYoung/druid,se7entyse7en/druid,mghosh4/druid,zhaown/druid,pjain1/druid,pjain1/druid,gianm/druid,mghosh4/druid,lizhanhui/data_druid,kevintvh/druid,andy256/druid,du00cs/druid,fjy/druid,mghosh4/druid,milimetric/druid,nishantmonu51/druid,zxs/druid,dkhwangbo/druid,dclim/druid,zengzhihai110/druid,lcp0578/druid,fjy/druid,OttoOps/druid,elijah513/druid,winval/druid,noddi/druid,lizhanhui/data_druid,zhiqinghuang/druid,michaelschiff/druid,himanshug/druid,se7entyse7en/druid,anupkumardixit/druid,authbox-lib/druid,himanshug/druid,jon-wei/druid,OttoOps/druid,monetate/druid,implydata/druid,andy256/druid,jon-wei/druid,wenjixin/druid,Deebs21/druid,767326791/druid,se7entyse7en/druid,cocosli/druid,wenjixin/druid,pdeva/druid,optimizely/druid,jon-wei/druid,lizhanhui/data_druid,OttoOps/druid,premc/druid,authbox-lib/druid,OttoOps/druid,skyportsystems/druid,pjain1/druid,optimizely/druid,anupkumardixit/druid,wenjixin/druid,guobingkun/druid,haoch/druid,rasahner/druid,dkhwangbo/druid,rasahner/druid,zengzhihai110/druid,calliope7/druid,KurtYoung/druid,Deebs21/druid,tubemogul/druid,b-slim/druid,druid-io/druid,haoch/druid,friedhardware/druid,smartpcr/druid,amikey/druid,solimant/druid,druid-io/druid,cocosli/druid,potto007/druid-avro,lcp0578/druid,noddi/druid,Deebs21/druid,metamx/druid,zhaown/druid,eshen1991/druid,jon-wei/druid,jon-wei/druid,minewhat/druid,b-slim/druid,taochaoqiang/druid,michaelschiff/druid,penuel-leo/druid,leventov/druid,kevintvh/druid,nvoron23/druid,nvoron23/druid,andy256/druid,Kleagleguo/druid,KurtYoung/druid,yaochitc/druid-dev,zhiqinghuang/druid,zxs/druid,jon-wei/druid,smartpcr/druid,du00cs/druid,eshen1991/druid,optimizely/druid,Kleagleguo/druid,taochaoqiang/druid,du00cs/druid,zhiqinghuang/druid,kevintvh/druid,pjain1/druid,monetate/druid,nvoron23/druid,nishantmonu51/druid,knoguchi/druid,OttoOps/druid,noddi/druid,penuel-leo/druid,nishantmonu51/druid,leventov/druid,monetate/druid,redBorder/druid,amikey/druid,du00cs/druid,zhiqinghuang/druid,minewhat/druid,monetate/druid,andy256/druid,michaelschiff/druid,deltaprojects/druid,tubemogul/druid,rasahner/druid,zengzhihai110/druid,anupkumardixit/druid,minewhat/druid,calliope7/druid,anupkumardixit/druid,friedhardware/druid,fjy/druid,nvoron23/druid,erikdubbelboer/druid,kevintvh/druid,yaochitc/druid-dev,zhihuij/druid,optimizely/druid,amikey/druid,skyportsystems/druid,erikdubbelboer/druid,potto007/druid-avro,dkhwangbo/druid,nvoron23/druid,monetate/druid,tubemogul/druid,se7entyse7en/druid,Fokko/druid,elijah513/druid,gianm/druid,guobingkun/druid,metamx/druid,andy256/druid,dclim/druid,rasahner/druid,guobingkun/druid,liquidm/druid,praveev/druid,skyportsystems/druid,mangeshpardeshiyahoo/druid,redBorder/druid,pjain1/druid,pjain1/druid,mangeshpardeshiyahoo/druid,zhihuij/druid,cocosli/druid,milimetric/druid,friedhardware/druid,solimant/druid,yaochitc/druid-dev,lcp0578/druid,se7entyse7en/druid,gianm/druid,himanshug/druid,lizhanhui/data_druid,implydata/druid,767326791/druid,calliope7/druid,friedhardware/druid,kevintvh/druid,mghosh4/druid,zhihuij/druid,leventov/druid,druid-io/druid,implydata/druid,liquidm/druid,premc/druid,lcp0578/druid,winval/druid,gianm/druid,zxs/druid,taochaoqiang/druid,knoguchi/druid,liquidm/druid,767326791/druid,potto007/druid-avro,pdeva/druid,knoguchi/druid,jon-wei/druid,redBorder/druid,KurtYoung/druid,nishantmonu51/druid,praveev/druid,penuel-leo/druid,praveev/druid,qix/druid,himanshug/druid,cocosli/druid,eshen1991/druid,pdeva/druid,leventov/druid,metamx/druid,elijah513/druid,taochaoqiang/druid,Fokko/druid,mrijke/druid,mrijke/druid,dclim/druid,guobingkun/druid,pombredanne/druid,taochaoqiang/druid,b-slim/druid,rasahner/druid,erikdubbelboer/druid,authbox-lib/druid,redBorder/druid,druid-io/druid,b-slim/druid,mangeshpardeshiyahoo/druid,pombredanne/druid,767326791/druid,calliope7/druid,Kleagleguo/druid,pombredanne/druid,zxs/druid,zhaown/druid,knoguchi/druid,gianm/druid,du00cs/druid,liquidm/druid,erikdubbelboer/druid,deltaprojects/druid,dkhwangbo/druid,fjy/druid,himanshug/druid,milimetric/druid,erikdubbelboer/druid