Bumping up ebenezer version and making parquet dependency provided
Added Sqoop import/upload unit test case that running with an in memory hsqldb
Cleaning up the Sqoop import testcase
Overrides run method to not run for an empty job list.

By default the run method would run even if the job list is
empty. Cascading does not like that and throw an exception.
make ModArgs a monoid
ModArgs mutates any hadoop mode passed to it, not just Hdfs mode
small reorganization of implicits
ArchiveDirectoryJob compresses it's output
minor change to sqoop example
WIP compressed archive. Still need to check imports and look at some other TODOs