Maint: Validate arms that are more than one digit

Previously, the regex only matched a single digit, so 10, etc were not
validated, and now show errors.
Issued ARM-13 to djmitche for SSL Behaviour.
Merge pull request #35 from ahpook/master

Issue ARM-13 to djmitche for SSL Behaviour
Correct date in ARM-13 table row
s/manifest/metadata/
Merge pull request #36 from djmitche/typo

s/manifest/metadata/
Reserve ARM-14

For reboot.
Manage system reboots

This describes a proposal for managing system reboots.