Ensure that we pass the options hash to the cli helpers
Kill unused code
Add a helper to answer if test partitioning message should be displayed.
Fix typos
Add a general purpose partition helper that will print to stdout a partitioned quoted list of files.
Add a distribution strategy - this will figure out how tests are distributed across workers.

RoundRobin - given tests [a, b, c, d, e]. This will distribute them as [a, d], [b, e], [c]

Chunk - given tests [a, b, c, d, e]. This will distribute them as [a, b], [c, d], [e]