Adding extra option to deploy an extra zip and disable signature check

Change-Id: I7ef7ec3e7ba55100ea9c3ababc307581f6d49383
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Adding mechanism to autodeploy specific zip

Change-Id: I8c4b4d6091837902c4175073abe7acc905354280
Signed-off-by: Sergio Schvezov <sergio.schvezov@canonical.com>
Adding some Ubuntu specific customizations to recovery

Covering the background color and replacing the clockwork icon with the
ubuntu one.

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>