Allow local vendoring from dir
handle procfile, config var, and addon manifests
push from url spec
procfile -> process_types
Wire up language_pack/framework
Fully qualify Anvil::Builder::BuildError
json decode release metadata
sample
sample1
JSON decode metadata in tests
Refactor duplicated test values
revendor: manifest is not a builder
disable write_profile_d
set unified source url to source_url
Merge pull request #1 from heroku/dev-release-manifests

Handle release manifests from Anvil and send to Cisaurus