update api_z1 with bigger persisted disk space
Refactoring STEMCELL_{SOURCE,FILE}
in preparation for setting it via a cli arg
`provision_cf` supports alternative stemcell URLs
settable via a command-line arg
Make sure the custom stemcell is represented in the manifest.
Add warning to remind users when there's a newer stemcell available
2nd Bosh support integrated against a modern version of bosh lite
make add-route work for first and second instance
add rudimentary documentation
make readme point to new machete script
Fix name of machete firewall test in README
Reflect new repo and branch structure in readme
Update README.md