Plan 2018-11 release

[cgolubi1]

Do all testing and deployments for the 2018-11 buttonweavers.com prod release.

This will be a special dedicated release for the purpose of upgrading the site to Ubuntu Xenial (16.04) and PHP 7.

[cgolubi1]

I'll do a new staging/prod release today to bring in #2419

[blackshadowshade]

This issue is complete, so I've closed it.