Return correct SpecificDatumReader for schema records.  Patch by Stu Hood, reviewed by brandonwilliams for CASSANDRA-1645.
Return correct SpecificDatumReader for schema records.  Patch by Stu Hood, reviewed by brandonwilliams for CASSANDRA-1645.

git-svn-id: af0234e1aff5c580ad966c5a1be7e5402979d927@1026502 13f79535-47bb-0310-9956-ffa450edef68

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