Fixes an issue where most uses just had their color determined by their
username length and distributes the colors a bit more evenly.

Either by accepting an invite or manually using /converttodm and revert
with /converttoroom.

fixes #630

Loren Burkholder authored 4 years ago and Nicolas Werner committed 4 years ago

There was nowhere that an actual pointer was passed, and I wanted to do references for something else.