Merge pull request #36 from rightscale/sapphire_14_12_acu170382_speed_warden_parses_up

Sapphire 14 12 acu170382 speed warden parses up
acu173511 pass file list to tar on stdin; avoid E2BIG
Merge pull request #39 from rightscale/sapphire_14_13_acu173511_e2big_to_fail

Pass file list to tar on stdin; avoid E2BIG