Switch to safe_get for cassandra queries
Change name to reliable_get* and comment the new functions
Always do read repair
Change name again to describe the high availability aspect of the function
Fix indents
Tidy up code
Merge pull request #42 from Metaswitch/reliable-reads

Reviewer Mike - Use QUORUM reads if ONE reads don't return any values
Reduce Cassandra memory usage on all-in-one systems
Apply code review feedback - test now consistent with clearwater-infrastructure
Merge pull request #44 from Metaswitch/cassandra_mem

Reduce Cassandra memory usage on all-in-one systems