Process MsgExit normally even if the player is not fully added. Ignore (don't kick) MsgAlive, MsgMessage, and MsgPlayerUpdateSmall received from players that are not fully added.  In lieu of fixing the protocol, this works around a regression introduced in r20796. For other premature messages, improve the log message by displaying the IP address rather than the (possibly nonexistent) host name and by displaying the message code in hex for easier lookups in Protocol.h.
Process MsgExit normally even if the player is not fully added.
Ignore (don't kick) MsgAlive, MsgMessage, and MsgPlayerUpdateSmall received from players that are not fully added.  In lieu of fixing the protocol, this works around a regression introduced in r20796.
For other premature messages, improve the log message by displaying the IP address rather than the (possibly nonexistent) host name and by displaying the message code in hex for easier lookups in Protocol.h.

git-svn-id: c0942edff5350604e2827ab28bdfcfa5200fadee@20900 08b3d480-bf2c-0410-a26f-811ee3361c24

kongr45gpen/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,kongr45gpen/bzflag