Introduce ci cli scripts for cdh5.2.0 and cdh5.2.1
Merge pull request #508 from ambiata/topic/cli-chd5.2.0

Introduce ci cli scripts for cdh5.2.0 and cdh5.2.1
Skip old dates when using timezone Africa/Monrovia in tests
Merge pull request #504 from ambiata/topic/timezone-monrovia

Skip old dates when using timezone Africa/Monrovia in tests
Fixed perf scripts by renaming HADOOP env
Reduce flakiness of GroupByEntityOutputSpec
Added support for --version with correct exit code
Merge pull request #510 from ambiata/topic/ivory-version

Added support for --version with correct exit code
Introduce IvoryLocations.streamLinesUTF8
Stream the entities file instead of reading all the lines first
Merge pull request #513 from ambiata/topic/chord-entity-fast-load

Stream the entities file instead of reading all the lines first
ramble.