fix(contrib): use tab indents for Makefiles
feat(builder): add cedarish/build target
chore(builder): bump cedarish
Merge pull request #2754 from bacongobbler/compress-cedarish-image

feat(builder): compress progrium/cedarish
chore(controller): update django-cors-headers to 1.0.0

See https://github.com/ottoyiu/django-cors-headers/releases/tag/1.0.0