Fixed a missing var assignment
The client now tries to query other master servers when the main one doesn't respond

Conflicts:
	code/client/cl_main.c
	code/client/client.h
A few fixes to previous commit

Conflicts:
	code/client/cl_main.c
Fixed some compiler warnings

Conflicts:
	code/client/cl_main.c
	code/client/client.h
Added server cvar: sv_clientsPerIP

Patch contributed by DragonHeart