- prepare for 3.1 production release

- prepare for 3.1 production release
- disable SELinux
- disable hotplug
- enable /proc/config.gz
- disable module versioning, checksumming, and signing
- disable power management, ACPI, APM, and CPU frequency scaling
- disable PCMCIA/CardBus
- disable MTD flash
- disable parallel port and parallel port IDE
- disable ISA PnP
- disable cryptoloop (requires crypto modules)
- disable CD-RW packet writing
- enable AHA-15xx SCSI support
- disable unused LVM functionality
- disable FireWire
- disable unused IP networking options
- disable unused char devices
- enable select USB support
- fix filesystem support (build in ext3 support)
- disable unused filesystems
- disable unused charsets and codepages