umoci: update to v0.3.1
umoci: update to v0.3.1

Signed-off-by: Bruce Ashfield <284cc737d174a260eec2a2a6324a304f84b1ae0f@windriver.com>

OverC/meta-overc,OverC/meta-overc,OverC/meta-overc,OverC/meta-overc,masselstine/meta-overc,masselstine/meta-overc,OverC/meta-overc,masselstine/meta-overc,masselstine/meta-overc,OverC/meta-overc