Update installation instructions for Cassandra
Update installation instructions for Cassandra

stevenornelas/UniversalRelayBoilerplate,codefoundries/UniversalRelayBoilerplate,AndriyShepitsen/realsiterSitePrototype,stevenornelas/UniversalRelayBoilerplate,AndriyShepitsen/realsiterSitePrototype,codefoundries/UniversalRelayBoilerplate,stevenornelas/UniversalRelayBoilerplate