New filesystem and Bootloader for QboxHD 25/09/09

This filesystem release must use the NOR flash (QHU) update released on
September 25th, 2009

- Kernel
Added support for read/write the NOR flash from applications (MTD
Enhanced memory handling for applications (user-space)
- Initramfs
Enhanced update/backup mechanism
Fixed several minor bugs
- Boot loader
Enhanced functionality for the front-panel display
- Drivers
Updated front-panel display driver