Add HEROKU_API_KEY_BASE64_ENCODED
Add submodule JSON.sh
Add HEROKU_APP_NAME
Add heroku_variables_load.sh
Implement json_replace
Use quote
Refactor order of RUN
git submodule deinit JSON.sh && git rm JSON.sh
git rm heroku_variables_load.sh
Merge pull request #8 from hoshinotsuyoshi/heroku-key-by-ruby

Heroku key by ruby