acu170382: Only create a single warden container and tarball per repository rather than per cookbook
acu170382: Use tls.clear instead of re-assigning.
acu170382: Added back an important comment and escape the cookbook dir
acu170382: Fixed specs.
Merge pull request #36 from rightscale/sapphire_14_12_acu170382_speed_warden_parses_up

Sapphire 14 12 acu170382 speed warden parses up