Updates to support cloud.gov workshop runners
🎫 Addresses issue: https://github.com/GSA-TTS/rails-template/issues/159
🛠️ Summary of changes
- enable passing arguments to
fetchandcheckscripts to support non-standard locations - support passing
GITLAB_TOKENin addition toGITHUB_TOKENfor authenticating to evidence repo - skip GitHub fetchers when not configured
- pass proxy info to the cloud foundry sdk when present