`number` implies/represents a float where `integer` does not.
The only remaining `type: number` in the project appear on power levels: those have been left untouched pending clarification.
Fixes https://github.com/matrix-org/matrix-doc/issues/746
It's *definitely* not a client concern.
It isn't really in the right place at the moment, but s-s is very much a
work in progress whereas c-s is nearly stable.
As a side effect, I got rid of all of the horrible symlinks and just put
in all of the proper relative paths. Because the horrible symlinks were
horrible.