Multiplayer: time sync of client/server (F5 display only); increase the time interval when a client can connect back (3 minutes now); apply patches suggested in bug report 1228629;
git-svn-id: http://svn.uktrainsim.com/svn/openrails/trunk@1786 a9f3cfff-6c41-7446-b0ca-052bd761e6eb