Explictly sets the prefix when building node
Cache fetched bundler and parsed bundle.
init
Realize the bundle if bundler_path is called before bundle.
Really just one instance of things.
Less magic.
Test build pack with Hatchet

Go!!!
add rake task for running specs
only run focused tests if there are any
match instead exact fit
move anvil cleanup into hatchet
add testing docs to the README
update jdk sources
bump v59
update changelog
hatchet is now `heroku_hatchet` gem
hatchet libraries moved to "sharpstone"

Also git@github.com:#{}.git is no longer required, just org_name/name
Detect rails 4 manifest file
Add Hatchet test and Rails 4 manifest repo to sharpstone (
https://github.com/sharpstone/rails4-manifest )
un-focus rails 4 spec
fix railties spec