MX Bikes beta15

MX Bikes beta15 available.

Changelog fix: fork offset garage setting fix: rider dab during slides fix: spectator join crash fix: live timing UDP output fix: straight rhythm in multiplayer fix: pitboard during the last lap fix: live screens in replays fix: rendering performances improvements fix: web server browser join new: garage setting to slide the fork in the triple clamps new: garage setting to adjust the linkage rod length new: support for soft collisions new: timed races support new: qualify practice option, as an alternative to qualify race new: holeshot award new: option to limit a server to specific bikes, in addition to categories new: IPv6 support new: dedicated server admin commands new: remote server admin new: open practice results export new: option to show the 3D names in replays new: instant replay new: replay interface redesign new: protection paint support new: additional trick animations new: the rider heading and dab animations now work in multiplayer, too new: head tracking linked to lookback animations new: track paints support