Merge pull request #4 from lbt/hybris-10.1

Refactor and support rootfs booting
Added updater .zip resource files.

Change-Id: Ic8d41e75303be3d480e85e1ff1690582e903cae7
Signed-off-by: Tom Swindell <t.swindell@rubyx.co.uk>
Clean up /dev mounting and use devtmpfs.
Note that config DEVTMPFS_MOUNT says ...
"This option does not affect initramfs based booting, here
the devtmpfs filesystem always needs to be mounted manually
after the roots is mounted."

Signed-off-by: David Greaves <david.greaves@jollamobile.com>