- Bump PORTREVISION.
- Rename directories and scripts adding the "linux-" prefix
(IdSoftware always releases the source code of their engines).
- Add IDSOFTWARE to MASTER_SITES.
- Remove unneeded libraries (included in linux_base-fc4).
- Use NO_CDROM instead of RESTRICTED since redistribution is allowed
in electronic form (see games/linux-quake4, games/linux-quake4-demo
- Add amd64 to ONLY_FOR_ARCHS
- Move to LOCALBASE
- Grammar fix
Submitted by: alepulver