VARIABLES: modified paths to enable concurrent nas builds.
Kernel: reworked configuration; fixed "__nand_correct_data: uncorrectable ECC error__nand_correct_data: uncorrectable ECC error" on MTD access.
Initramfs: changed paths for concurrent nas builds
RootFS: reworked multistrap building (removed unused packages, added others); added comments; integrated rc.local; modified fstab; added flashing LED on shutdown
U-Boot: fixed uImage links on custom u-boot environment
INSTALL: Documented install on USB stick
SAMBA: minor performance changes