Doc change: Describe replacement cases based on CASSANDRA-8523 and CASSANDRA-12344
Doc change: Describe replacement cases based on CASSANDRA-8523 and CASSANDRA-12344

Closes #145

Patch by Kurt Greaves; Reviewed by Jeff Jirsa for CASSANDRA-8523

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