Syslog integration (#1952)
Syslog integration (#1952)

* Syslog integration, part 1

* Add protocol, make sure syslog actually logs

* Make golangci-lint happy about shadow variables

* Add syslog tag, wrap syslog in logLevelHook
matrix-org/dendrite,matrix-org/dendrite,matrix-org/dendrite,matrix-org/dendrite