Merge pull request #104 from losfair/feat/single-tenant

Single-tenant mode

Merge pull request #102 from losfair/feat/warmup

Warm up V8 during PM initialization

mm/pm optimizations

send sse heartbeat

Merge pull request #97 from losfair/feat/pubsub

Pubsub infrastructure & API

drop_privileges

ipc and cache optimizations

mysql fixes & embed cacert

fixes

update mysql