Integrate Linaro hwpacks for arm with the Ubuntu image build infrastructure for Ubuntu

To use their evaluation builds on different ARM architectures Linaro creates so called hardware packs which contain board specific bits like kernel, bootloader and drivers. The Ubuntu infrastructure currently uses debian-cd in the backend to make images bootable on ARM boards. In 12.10 we want to remove this dupli...

Review and update kernel postinst scripts to match initramfs-tools upstream development for Ubuntu

Comply with upstream guidance that the kernel management scripts need to be responsible for ensuring that updates to initramfs and bootloaders are correctly applied to the target hardware. Similar to how grub is handled on x86 the the postinst scripts of the kernel package need to handle bootloaders and initrd updat...

Refactor jasper-initramfs to use more shared components for Ubuntu

jasper-initramfs contains a collection of essential hardcodings and hacks. These ought be refactored so that the result leverages oem-config more heavily, perhaps uses preseeding with some d-i components, and otherwise is made more modular and controllable.