Document lack of order guarantees for BATCH statements
Document lack of order guarantees for BATCH statements

Patch by Tyler Hobbs, reviewed by Sylvain Lebresnse and Alex Popescu for
CASSANDRA-7123

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