[PDT-4576] Add rhombus storage, refactor connection manager to use it, update CQL generation to always use keyspace name, tests for these things
[PDT-4576] Fix object mapper not getting updated keyspace definition, clean up migrations a bit more, add tests
[PDT-4576] Store historical keyspaces, fix bug in truncate, add tests
[PDT-4576] One last test update
Merge pull request #10 from Pardot/mf/rhombusStorage

Refactors for cleaner Rhombus keyspace management