Tournaments: Support user cap
Minor rephrase of Username popup
Update teambuilder for PU
Console log all SockJS I/O

Previously, we only logged non-lobby server->client messages,
but since lobby is no longer on default autojoin, it makes
sense to just log everything. Useful to anyone who wants to
learn more about how PS's protocol works.
Sync data
Fix [NaN:NaN:NaN] timestamp bug

Bug from 5196f8cbcb