Pleroma patch release: 1.1.9

Pleroma 1.1.9 is a patch release, fixing bugs found after 1.1.8 release.

Rate limiter and Remote IP plug soon to be enabled by default again

Rate limiter was disabled by default in !1601 since the majority of Pleroma instances were behind reverse proxies and it didn't take X-Forwarded-For headers into account, rate limiting the reverse proxy IP instead.

Since then a Remote IP plug was...