Add statistics cli app

Turn overwrite to false
Merge pull request #325 from ambiata/wip/stats-app

Add statistics cli app
Moved VersionedFactConverter out of snapshot mr job
Renamed mr.scala to SnapshotJob.scala
Add thrift object for chord entity mappings
fixup! Add thrift object for chord entity mappings
Moved factset lookup tables into own file
Change chord to raw mr
fixup! Change chord to raw mr
Moved setupVersionAndPriority into own class
fixup! Change chord to raw mr
fixup! Change chord to raw mr
Fix genDate to work on any Date range
fixup! Change chord to raw mr
fixup! Change chord to raw mr
fixup! Change chord to raw mr
fixup! Change chord to raw mr
fixup! Change chord to raw mr
fixup! Change chord to raw mr
Hand tweak ChordEntities for maximum performance