webhook fixes & username/avatar property for msg

Start implementing webhooks

member projection: select avatar

ensure client_id is specified in authorize post

ensure client_id is provided in authorize

WORKAROUND: Ignore client-requested file extension for role icons

Fix reacting with custom emojis from same guild requiring USE_EXTERNAL_EMOJIS

add components to message create schema

handle possibly null activities in session sort

messageupdate: fix member not being correct format

fix some message update fields being sent when null

typingstart timestamp needs to be seconds

fix some issues with discord bot libs

Proper error messages for invalid config

fucking postgres

refactor channel positions in guild

Add `mobile_network_type` to message create schema

Embeds: handle og:sitename

Fix regression where generic embed handler wouldn't properly send image results

* allow limit=1 ...

* fix GET messages?around order

[fb] remove provider obj, add color

add facebook, and add steam fields

Rewrite thumbnail/image generation for embeds

Fix bug in embed handler where getMeta would not return undefined

xkcd embed handler and improved generic handler

Fix identify throwing on invalid token instead of closing with auth failed close code

sentry db instrumentation for gateway events

update sentry

typeorm inverse relations of guild relations

Merge branch 'master' of github.com:spacebarchat/server