Imported using git-ubuntu import.
Changelog parent: 8027f4d9dfa5da2553557a5cb727f301166396ac
New changelog entries:
[ Ben Howard ]
* live-build/ubuntu-cpc/hooks/042-vagrant.binary: add serial device for
Vagrant images (LP: #1546108).
[ Daniel Watkins ]
* Refactor ubuntu-cpc hooks to hard-code producing an 'ext4' rootfs, which
is used outside of the livecd-rootfs build process (specifically for EC2
publication).