Flush system table after updating or removing tokens. Patch by brandonwilliams, reviewed by Ben Coverston for CASSANDRA-3243
Flush system table after updating or removing tokens.
Patch by brandonwilliams, reviewed by Ben Coverston for CASSANDRA-3243

git-svn-id: 5b9f2d9930f7dfb79b2654297310ec296e5fde68@1177810 13f79535-47bb-0310-9956-ffa450edef68

lalithsuresh/cassandra-c3,phact/cassandra,yanbit/cassandra,kangkot/stratio-cassandra,michaelmior/cassandra,adejanovski/cassandra,sluk3r/cassandra,dprguiuc/Cassandra-Wasef,beobal/cassandra,instaclustr/cassandra,michaelsembwever/cassandra,wreda/cassandra,rdio/cassandra,bdeggleston/cassandra,Jaumo/cassandra,matthewtt/cassandra_read,guanxi55nba/key-value-store,gdusbabek/cassandra,pkdevbox/cassandra,strapdata/cassandra,Instagram/cassandra,ptuckey/cassandra,pthomaid/cassandra,bmel/cassandra,driftx/cassandra,ptnapoleon/cassandra,HidemotoNakada/cassandra-udf,likaiwalkman/cassandra,carlyeks/cassandra,xiongzheng/Cassandra-Research,mheffner/cassandra-1,Stratio/stratio-cassandra,sayanh/ViewMaintenanceCassandra,joesiewert/cassandra,phact/cassandra,yangzhe1991/cassandra,pallavi510/cassandra,bdeggleston/cassandra,ejankan/cassandra,project-zerus/cassandra,nlalevee/cassandra,tjake/cassandra,Instagram/cassandra,szhou1234/cassandra,iamaleksey/cassandra,jeffjirsa/cassandra,darach/cassandra,Imran-C/cassandra,darach/cassandra,kangkot/stratio-cassandra,mklew/mmp,Jollyplum/cassandra,bpupadhyaya/cassandra,nutbunnies/cassandra,heiko-braun/cassandra,instaclustr/cassandra,apache/cassandra,GabrielNicolasAvellaneda/cassandra,sayanh/ViewMaintenanceCassandra,Jaumo/cassandra,belliottsmith/cassandra,strapdata/cassandra,a-buck/cassandra,WorksApplications/cassandra,beobal/cassandra,driftx/cassandra,matthewtt/cassandra_read,mashuai/Cassandra-Research,rackerlabs/cloudmetrics-cassandra,nakomis/cassandra,macintoshio/cassandra,miguel0afd/cassandra-cqlMod,fengshao0907/cassandra-1,aweisberg/cassandra,leomrocha/cassandra,aboudreault/cassandra,ben-manes/cassandra,LatencyUtils/cassandra-stress2,MasahikoSawada/cassandra,weideng1/cassandra,mambocab/cassandra,kangkot/stratio-cassandra,jeromatron/cassandra,newrelic-forks/cassandra,clohfink/cassandra,nlalevee/cassandra,mklew/mmp,macintoshio/cassandra,sluk3r/cassandra,yhnishi/cassandra,mshuler/cassandra,leomrocha/cassandra,weideng1/cassandra,hengxin/cassandra,LatencyUtils/cassandra-stress2,scylladb/scylla-tools-java,nitsanw/cassandra,thelastpickle/cassandra,jrwest/cassandra,jkni/cassandra,sriki77/cassandra,strapdata/cassandra,jsanda/cassandra,WorksApplications/cassandra,codefollower/Cassandra-Research,DICL/cassandra,MasahikoSawada/cassandra,dkua/cassandra,a-buck/cassandra,christian-esken/cassandra,bcoverston/apache-hosted-cassandra,macintoshio/cassandra,scylladb/scylla-tools-java,yukim/cassandra,ibmsoe/cassandra,jsanda/cassandra,mshuler/cassandra,sharvanath/cassandra,jasobrown/cassandra,josh-mckenzie/cassandra,aboudreault/cassandra,regispl/cassandra,cooldoger/cassandra,pallavi510/cassandra,Instagram/cassandra,yukim/cassandra,thelastpickle/cassandra,JeremiahDJordan/cassandra,mt0803/cassandra,mklew/mmp,emolsson/cassandra,caidongyun/cassandra,jrwest/cassandra,yonglehou/cassandra,boneill42/cassandra,hhorii/cassandra,snazy/cassandra,nitsanw/cassandra,pthomaid/cassandra,jrwest/cassandra,scaledata/cassandra,krummas/cassandra,HidemotoNakada/cassandra-udf,pcmanus/cassandra,mashuai/Cassandra-Research,DavidHerzogTU-Berlin/cassandra,vaibhi9/cassandra,blambov/cassandra,sbtourist/cassandra,rdio/cassandra,bcoverston/cassandra,mshuler/cassandra,michaelmior/cassandra,snazy/cassandra,DICL/cassandra,cooldoger/cassandra,rackerlabs/cloudmetrics-cassandra,aweisberg/cassandra,bmel/cassandra,asias/cassandra,rogerchina/cassandra,yanbit/cassandra,dkua/cassandra,hhorii/cassandra,jasonstack/cassandra,mt0803/cassandra,scylladb/scylla-tools-java,RyanMagnusson/cassandra,mgmuscari/cassandra-cdh4,szhou1234/cassandra,krummas/cassandra,helena/cassandra,snazy/cassandra,chbatey/cassandra-1,mike-tr-adamson/cassandra,szhou1234/cassandra,dkua/cassandra,heiko-braun/cassandra,darach/cassandra,newrelic-forks/cassandra,xiongzheng/Cassandra-Research,thelastpickle/cassandra,DikangGu/cassandra,kgreav/cassandra,vaibhi9/cassandra,sbtourist/cassandra,iamaleksey/cassandra,wreda/cassandra,DavidHerzogTU-Berlin/cassandraToRun,swps/cassandra,DikangGu/cassandra,aarushi12002/cassandra,juiceblender/cassandra,jbellis/cassandra,bdeggleston/cassandra,michaelsembwever/cassandra,weideng1/cassandra,shookari/cassandra,ptnapoleon/cassandra,blambov/cassandra,tongjixianing/projects,stef1927/cassandra,kgreav/cassandra,LatencyUtils/cassandra-stress2,EnigmaCurry/cassandra,spodkowinski/cassandra,shawnkumar/cstargraph,rmarchei/cassandra,bcoverston/cassandra,nutbunnies/cassandra,DavidHerzogTU-Berlin/cassandraToRun,knifewine/cassandra,guard163/cassandra,adejanovski/cassandra,snazy/cassandra,josh-mckenzie/cassandra,pauloricardomg/cassandra,pofallon/cassandra,emolsson/cassandra,ejankan/cassandra,iburmistrov/Cassandra,matthewtt/cassandra_read,yangzhe1991/cassandra,beobal/cassandra,scylladb/scylla-tools-java,driftx/cassandra,asias/cassandra,adejanovski/cassandra,jkni/cassandra,sbtourist/cassandra,phact/cassandra,spodkowinski/cassandra,vramaswamy456/cassandra,tommystendahl/cassandra,pcn/cassandra-1,mike-tr-adamson/cassandra,aarushi12002/cassandra,mheffner/cassandra-1,ptuckey/cassandra,likaiwalkman/cassandra,instaclustr/cassandra,yangzhe1991/cassandra,weipinghe/cassandra,yukim/cassandra,apache/cassandra,xiongzheng/Cassandra-Research,ollie314/cassandra,jeromatron/cassandra,rmarchei/cassandra,qinjin/mdtc-cassandra,sriki77/cassandra,nakomis/cassandra,pcmanus/cassandra,Jollyplum/cassandra,miguel0afd/cassandra-cqlMod,codefollower/Cassandra-Research,a-buck/cassandra,mgmuscari/cassandra-cdh4,mt0803/cassandra,caidongyun/cassandra,tommystendahl/cassandra,sluk3r/cassandra,belliottsmith/cassandra,szhou1234/cassandra,adelapena/cassandra,sayanh/ViewMaintenanceSupport,Jollyplum/cassandra,hengxin/cassandra,kgreav/cassandra,Imran-C/cassandra,aweisberg/cassandra,swps/cassandra,jasobrown/cassandra,ollie314/cassandra,guanxi55nba/db-improvement,jeffjirsa/cassandra,Instagram/cassandra,michaelsembwever/cassandra,bpupadhyaya/cassandra,aureagle/cassandra,jasobrown/cassandra,pthomaid/cassandra,dprguiuc/Cassandra-Wasef,kangkot/stratio-cassandra,aureagle/cassandra,whitepages/cassandra,carlyeks/cassandra,AtwooTM/cassandra,mgmuscari/cassandra-cdh4,joesiewert/cassandra,krummas/cassandra,pofallon/cassandra,ibmsoe/cassandra,iamaleksey/cassandra,AtwooTM/cassandra,iamaleksey/cassandra,iburmistrov/Cassandra,beobal/cassandra,cooldoger/cassandra,leomrocha/cassandra,swps/cassandra,apache/cassandra,josh-mckenzie/cassandra,chbatey/cassandra-1,lalithsuresh/cassandra-c3,spodkowinski/cassandra,aureagle/cassandra,boneill42/cassandra,ifesdjeen/cassandra,christian-esken/cassandra,Stratio/cassandra,ifesdjeen/cassandra,ollie314/cassandra,bcoverston/cassandra,chaordic/cassandra,vramaswamy456/cassandra,driftx/cassandra,mashuai/Cassandra-Research,project-zerus/cassandra,Bj0rnen/cassandra,scaledata/cassandra,JeremiahDJordan/cassandra,jrwest/cassandra,dongjiaqiang/cassandra,ifesdjeen/cassandra,regispl/cassandra,adelapena/cassandra,guard163/cassandra,aarushi12002/cassandra,codefollower/Cassandra-Research,WorksApplications/cassandra,blerer/cassandra,yukim/cassandra,iburmistrov/Cassandra,nlalevee/cassandra,tommystendahl/cassandra,guard163/cassandra,ben-manes/cassandra,sivikt/cassandra,exoscale/cassandra,pkdevbox/cassandra,rackerlabs/cloudmetrics-cassandra,jasobrown/cassandra,RyanMagnusson/cassandra,helena/cassandra,nvoron23/cassandra,josh-mckenzie/cassandra,dongjiaqiang/cassandra,Jaumo/cassandra,juiceblender/cassandra,jeffjirsa/cassandra,pauloricardomg/cassandra,jasonstack/cassandra,guanxi55nba/db-improvement,ptuckey/cassandra,rogerchina/cassandra,chbatey/cassandra-1,blerer/cassandra,sedulam/CASSANDRA-12201,fengshao0907/cassandra-1,shawnkumar/cstargraph,qinjin/mdtc-cassandra,jbellis/cassandra,clohfink/cassandra,michaelmior/cassandra,modempachev4/kassandra,likaiwalkman/cassandra,caidongyun/cassandra,ibmsoe/cassandra,nakomis/cassandra,rogerchina/cassandra,nitsanw/cassandra,vaibhi9/cassandra,modempachev4/kassandra,ifesdjeen/cassandra,nvoron23/cassandra,JeremiahDJordan/cassandra,guanxi55nba/key-value-store,spodkowinski/cassandra,DavidHerzogTU-Berlin/cassandra,mambocab/cassandra,heiko-braun/cassandra,pkdevbox/cassandra,jasonwee/cassandra,dprguiuc/Cassandra-Wasef,stef1927/cassandra,guanxi55nba/key-value-store,adelapena/cassandra,ben-manes/cassandra,Stratio/cassandra,stef1927/cassandra,sriki77/cassandra,boneill42/cassandra,krummas/cassandra,jasonwee/cassandra,pofallon/cassandra,chaordic/cassandra,apache/cassandra,whitepages/cassandra,tongjixianing/projects,nutbunnies/cassandra,tjake/cassandra,RyanMagnusson/cassandra,mike-tr-adamson/cassandra,mshuler/cassandra,aboudreault/cassandra,pcn/cassandra-1,EnigmaCurry/cassandra,sayanh/ViewMaintenanceSupport,sharvanath/cassandra,shookari/cassandra,blerer/cassandra,mkjellman/cassandra,newrelic-forks/cassandra,pauloricardomg/cassandra,juiceblender/cassandra,cooldoger/cassandra,bcoverston/apache-hosted-cassandra,miguel0afd/cassandra-cqlMod,joesiewert/cassandra,weipinghe/cassandra,modempachev4/kassandra,christian-esken/cassandra,GabrielNicolasAvellaneda/cassandra,ejankan/cassandra,jeffjirsa/cassandra,jkni/cassandra,carlyeks/cassandra,tjake/cassandra,vramaswamy456/cassandra,WorksApplications/cassandra,jsanda/cassandra,DikangGu/cassandra,clohfink/cassandra,EnigmaCurry/cassandra,HidemotoNakada/cassandra-udf,yonglehou/cassandra,juiceblender/cassandra,exoscale/cassandra,Stratio/stratio-cassandra,sharvanath/cassandra,blambov/cassandra,bpupadhyaya/cassandra,jbellis/cassandra,dongjiaqiang/cassandra,MasahikoSawada/cassandra,bcoverston/cassandra,sivikt/cassandra,emolsson/cassandra,kgreav/cassandra,thobbs/cassandra,guanxi55nba/db-improvement,Stratio/stratio-cassandra,sivikt/cassandra,michaelsembwever/cassandra,weipinghe/cassandra,gdusbabek/cassandra,shawnkumar/cstargraph,aweisberg/cassandra,sayanh/ViewMaintenanceCassandra,scaledata/cassandra,jeromatron/cassandra,AtwooTM/cassandra,shookari/cassandra,tommystendahl/cassandra,rdio/cassandra,asias/cassandra,pcmanus/cassandra,adelapena/cassandra,taigetco/cassandra_read,fengshao0907/Cassandra-Research,hhorii/cassandra,thobbs/cassandra,belliottsmith/cassandra,Stratio/stratio-cassandra,yanbit/cassandra,pallavi510/cassandra,mheffner/cassandra-1,sedulam/CASSANDRA-12201,regispl/cassandra,tongjixianing/projects,yhnishi/cassandra,kangkot/stratio-cassandra,project-zerus/cassandra,knifewine/cassandra,helena/cassandra,wreda/cassandra,blerer/cassandra,blambov/cassandra,Imran-C/cassandra,chaordic/cassandra,Stratio/cassandra,pcn/cassandra-1,sedulam/CASSANDRA-12201,DavidHerzogTU-Berlin/cassandraToRun,instaclustr/cassandra,pauloricardomg/cassandra,mkjellman/cassandra,fengshao0907/Cassandra-Research,rmarchei/cassandra,mkjellman/cassandra,thelastpickle/cassandra,stef1927/cassandra,yhnishi/cassandra,yonglehou/cassandra,mkjellman/cassandra,bcoverston/apache-hosted-cassandra,ptnapoleon/cassandra,mambocab/cassandra,jasonwee/cassandra,taigetco/cassandra_read,knifewine/cassandra,clohfink/cassandra,hengxin/cassandra,Stratio/stratio-cassandra,DavidHerzogTU-Berlin/cassandra,bdeggleston/cassandra,belliottsmith/cassandra,lalithsuresh/cassandra-c3,fengshao0907/cassandra-1,exoscale/cassandra,tjake/cassandra,jasonstack/cassandra,DICL/cassandra,nvoron23/cassandra,mike-tr-adamson/cassandra,Bj0rnen/cassandra,qinjin/mdtc-cassandra,fengshao0907/Cassandra-Research,Bj0rnen/cassandra,strapdata/cassandra,GabrielNicolasAvellaneda/cassandra,bmel/cassandra,whitepages/cassandra,taigetco/cassandra_read,thobbs/cassandra,gdusbabek/cassandra