[config] Take units information out of version control

Latest actual information about unit should be used to restore it

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
[vault] porting the-vault version update logic

Ability to upgrade old repository/tree structure to support backups
done with previous the-vault/vault version

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
qRegisterMetaType results in unused variables

suppress compilation warning/error

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>
Merge pull request #6 from nemomobile/version-update-and-no-vc-units

Repository version update logic and no version control of unit registration info