[rel/1518] Member flags

[rel/1518] make PartialEmoji accept id-only

[rel/1518] Interaction failure reason enum, add missing copyright headers

[cherry/1518] Webhooks: respect thread_id parameter

temp hack: ...and dont forget to save it

temp hack: maybe set the right did

temp hack: re-create sessiosn that went missing

oooops

actually backpropagate session id in identify to ws object

Log creation of new sessions, fix some comments

Inline pointless const for session_id

onVoiceStateUpdate: change to VoiceState.merge() for copying properties

Rip out CDN migrations

Add sticker migration

IPC: unix socket reinit + backlog system

IPC: more unix socket logging

IPC: eagerly init unix sockets on startup

IPC: factor out imports

Option to disable logging route registrations

move mediaServer.start() into try catch

added clean_data to places after a member is created but not constructed to allow proper json creation.

Add /_spacebar/api/version - resolves #1222

disable toJSON for read states?

Try to inherit permissions from everyoen role on creation (may be wrong)

Create role for bots - fixes #1556

Fix message embeds not being nullable

Lower missing route to WARN, add empty route middlewares

Merge remote-tracking branch 'mathium05/memberEditScrewUp'

Fix undefined access

Add support for attachment:// urls ...

Closes #1551.