Add dev/stage/prod S3 bucket URLs to allowed origins for images
Add dev/stage/prod S3 bucket URLs to allowed origins for images

Issue #882

clouserw/testpilot,fzzzy/testpilot,chuckharmston/testpilot,chuckharmston/testpilot,clouserw/testpilot,mathjazz/testpilot,chuckharmston/testpilot,flodolo/testpilot,lmorchard/idea-town,mozilla/idea-town-server,lmorchard/idea-town-server,lmorchard/idea-town-server,fzzzy/testpilot,dannycoates/testpilot,dannycoates/testpilot,flodolo/testpilot,dannycoates/testpilot,ckprice/testpilot,6a68/idea-town,lmorchard/idea-town-server,lmorchard/idea-town-server,ckprice/testpilot,mathjazz/testpilot,mathjazz/testpilot,6a68/testpilot,mozilla/idea-town,lmorchard/idea-town,ckprice/testpilot,6a68/testpilot,fzzzy/testpilot,mozilla/testpilot,lmorchard/testpilot,clouserw/testpilot,mozilla/testpilot,mozilla/testpilot,6a68/idea-town,lmorchard/testpilot,meandavejustice/testpilot,ckprice/testpilot,6a68/idea-town,lmorchard/idea-town,flodolo/testpilot,mozilla/idea-town-server,mathjazz/testpilot,mozilla/idea-town,flodolo/testpilot,fzzzy/testpilot,mozilla/idea-town,clouserw/testpilot,meandavejustice/testpilot,meandavejustice/testpilot,6a68/testpilot,dannycoates/testpilot,meandavejustice/testpilot,mozilla/idea-town-server,lmorchard/idea-town,6a68/testpilot,lmorchard/testpilot,mozilla/testpilot,mozilla/idea-town-server,chuckharmston/testpilot,lmorchard/testpilot,mozilla/idea-town,6a68/idea-town