[MP] Unify win_net and sys_net into qcommon/net_ip.
Unix now also supports the socks code.
net_restart behaves correctly now if was disabled.
[MP] Hopefully fixing OSX net_ip from ioq3 changes at this point.
[MP] Trying OSX fix again.
[JK2] PCH removal.
[SP] Making GL_CLAMP_TO_EDGE an implied required extension.
[MP] Making GL_CLAMP_TO_EDGE an implied required extension.
[MP] Merge ioquake/ioq3@a889d7a14fe6f96ca8453a71759bbdacfa3c7ab7
Remove extra client_t::csUpdated[] slot

sv.configstrings[] is limited to 0 to MAX_CONFIGSTRINGS-1, make client_t::csUpdated[] the same.
Merge branch 'master' of https://github.com/JACoders/OpenJK