Upgrade everyauth to 0.4.9 which upgrades requests from the very old
2.9.x and brings in security fixes for everyauth dependencies too :

https://github.com/bnoguchi/everyauth/commit/9d36657e5270c92befc7b6e86758f6ef0e7d4d55
add option to set hostname
Merge pull request #17 from kcrayon/master

add option to set hostname
Merge pull request #18 from powershop/upgrade_request

Upgrade everyauth to 0.4.9 which upgrades requests from the very old
better error messages
ensure /_doorman/* requests never get proxied to backend
add requiredEmail array to configuration; also allow requiredDomain and requiredOrganization to be arrays
clear out flash when backend error
upgrade to 0.3.0