There are modules that will not work with prosody 0.10 as they depend on util.async. Adds a safeguard and print error about it in the logs.
And others that just do not work because of the muc module API that they use.
Updates room size API to work with multiple domains.
Checks for a parameter named subdomain and if it exists, adds it to the roomname as used in multiple domain mode ([subdomain]roomname@conference.example.com).
Moves muc_size module to per-host module and adds token verification.