Merge pull request #1307 from enterprisemediawiki/remove-mod-proxy-html

fix: remove apache mod_proxy_html which was unused and isn't available on RHEL

Merge pull request #1301 from enterprisemediawiki/31.17.0-release

31.17.0 release

Merge pull request #1293 from enterprisemediawiki/31.16.0-release

31.16.0 release

Update RELEASE-NOTES.md (#1289)

31.14.0 release (#1285)

Merge pull request #1280 from enterprisemediawiki/31.13.0-release

31.13.0 release

Bump base Vagrant RAM from 2GB to 4GB, else problems (#1278)

Enforce Composer 1.x version

Merge pull request #1258 from jamesmontalvo3/31.10.1-release

31.10.1 release

Merge pull request #1256 from jamesmontalvo3/31.10.0-release

31.10.0 release