subprocess util

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
.gitignore

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
utility code

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
backup is performed, restore is implemented

massive changes, no time to separate, sorry

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
hard-coded modules config example

in real life config should be generated on installation

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>