[stage_file_proxy] Stage File Proxy

# Summary

Stage File Proxy keeps developers from having to copy sites/default/files down to their local development environment.

# Project URL

https://www.drupal.org/project/stage_file_proxy

# Where is the code?

https://www.drupal.org/project/stage_file_proxy

# Estimated completion date

There's a working version available now. There's no alpha or beta release, so marking the issue as "Needs work" per guidelines, but really the module is usable already.

# Dependencies

None

# Who's doing the port?

Acquia LSD and others.

# What help do they need?

Unknown.

# D8 roadmap

#2206585: Drupal 8 port

# Background and reference information

#2206585: Drupal 8 port