Add circle.yml for easier developer build testing
Add circle.yml for easier developer build testing

Patch by Jeff Jirsa; Reviewed by Jason Brown for CASSANDRA-13388

instaclustr/cassandra,tjake/cassandra,mkjellman/cassandra,blerer/cassandra,Instagram/cassandra,WorksApplications/cassandra,stef1927/cassandra,instaclustr/cassandra,yukim/cassandra,blambov/cassandra,jbellis/cassandra,DikangGu/cassandra,yukim/cassandra,blambov/cassandra,stef1927/cassandra,sedulam/CASSANDRA-12201,jasobrown/cassandra,mike-tr-adamson/cassandra,mike-tr-adamson/cassandra,clohfink/cassandra,exoscale/cassandra,jasobrown/cassandra,christian-esken/cassandra,kgreav/cassandra,ifesdjeen/cassandra,mshuler/cassandra,blerer/cassandra,mike-tr-adamson/cassandra,snazy/cassandra,strapdata/cassandra,adelapena/cassandra,scylladb/scylla-tools-java,mkjellman/cassandra,jeromatron/cassandra,blambov/cassandra,yukim/cassandra,pauloricardomg/cassandra,kgreav/cassandra,tommystendahl/cassandra,yhnishi/cassandra,belliottsmith/cassandra,aweisberg/cassandra,yhnishi/cassandra,hengxin/cassandra,apache/cassandra,joesiewert/cassandra,aweisberg/cassandra,Instagram/cassandra,beobal/cassandra,belliottsmith/cassandra,krummas/cassandra,pauloricardomg/cassandra,juiceblender/cassandra,aweisberg/cassandra,ptnapoleon/cassandra,blerer/cassandra,adejanovski/cassandra,michaelsembwever/cassandra,jasonwee/cassandra,apache/cassandra,krummas/cassandra,driftx/cassandra,Jollyplum/cassandra,josh-mckenzie/cassandra,sedulam/CASSANDRA-12201,adejanovski/cassandra,strapdata/cassandra,apache/cassandra,josh-mckenzie/cassandra,driftx/cassandra,hengxin/cassandra,cooldoger/cassandra,ifesdjeen/cassandra,bcoverston/cassandra,thelastpickle/cassandra,driftx/cassandra,jasobrown/cassandra,michaelsembwever/cassandra,bdeggleston/cassandra,szhou1234/cassandra,josh-mckenzie/cassandra,bcoverston/cassandra,kgreav/cassandra,bdeggleston/cassandra,ptnapoleon/cassandra,instaclustr/cassandra,bcoverston/cassandra,adelapena/cassandra,belliottsmith/cassandra,szhou1234/cassandra,jeffjirsa/cassandra,exoscale/cassandra,scylladb/scylla-tools-java,tjake/cassandra,aweisberg/cassandra,juiceblender/cassandra,szhou1234/cassandra,ollie314/cassandra,spodkowinski/cassandra,chbatey/cassandra-1,aboudreault/cassandra,mkjellman/cassandra,exoscale/cassandra,michaelsembwever/cassandra,chbatey/cassandra-1,krummas/cassandra,aboudreault/cassandra,driftx/cassandra,Jollyplum/cassandra,mshuler/cassandra,jasonwee/cassandra,jeffjirsa/cassandra,iamaleksey/cassandra,jbellis/cassandra,tommystendahl/cassandra,aureagle/cassandra,szhou1234/cassandra,christian-esken/cassandra,tjake/cassandra,stef1927/cassandra,juiceblender/cassandra,jasonstack/cassandra,sedulam/CASSANDRA-12201,mike-tr-adamson/cassandra,jasonstack/cassandra,beobal/cassandra,blambov/cassandra,bcoverston/cassandra,christian-esken/cassandra,iamaleksey/cassandra,ifesdjeen/cassandra,strapdata/cassandra,instaclustr/cassandra,clohfink/cassandra,ollie314/cassandra,DikangGu/cassandra,tommystendahl/cassandra,cooldoger/cassandra,tommystendahl/cassandra,WorksApplications/cassandra,yhnishi/cassandra,bdeggleston/cassandra,hengxin/cassandra,jbellis/cassandra,yukim/cassandra,thelastpickle/cassandra,aboudreault/cassandra,jrwest/cassandra,chbatey/cassandra-1,tjake/cassandra,mkjellman/cassandra,michaelsembwever/cassandra,joesiewert/cassandra,jrwest/cassandra,scylladb/scylla-tools-java,beobal/cassandra,adelapena/cassandra,joesiewert/cassandra,pauloricardomg/cassandra,jeromatron/cassandra,thelastpickle/cassandra,cooldoger/cassandra,DikangGu/cassandra,krummas/cassandra,Instagram/cassandra,clohfink/cassandra,ptnapoleon/cassandra,apache/cassandra,Jollyplum/cassandra,aureagle/cassandra,snazy/cassandra,WorksApplications/cassandra,aureagle/cassandra,ifesdjeen/cassandra,snazy/cassandra,WorksApplications/cassandra,spodkowinski/cassandra,josh-mckenzie/cassandra,spodkowinski/cassandra,kgreav/cassandra,adelapena/cassandra,strapdata/cassandra,iamaleksey/cassandra,Instagram/cassandra,spodkowinski/cassandra,jasonstack/cassandra,juiceblender/cassandra,mshuler/cassandra,jeffjirsa/cassandra,ollie314/cassandra,cooldoger/cassandra,jasobrown/cassandra,bdeggleston/cassandra,snazy/cassandra,jeffjirsa/cassandra,jrwest/cassandra,iamaleksey/cassandra,beobal/cassandra,mshuler/cassandra,pauloricardomg/cassandra,jrwest/cassandra,scylladb/scylla-tools-java,blerer/cassandra,jeromatron/cassandra,stef1927/cassandra,thelastpickle/cassandra,belliottsmith/cassandra,adejanovski/cassandra,clohfink/cassandra,jasonwee/cassandra