v1.6.2

Changelog

ce6c000 BUGFIX: fix correct ordering in sku add-config so that the given config overrides the existing one
929ced4 Fix error in backup restore documentation
505e0bb Fix little typos and not understandable parts
b8ca2a6 Merge branch 'master' of https://github.com/sandstorm/sku
a971cb9 Merge pull request #2 from sandstorm/backup-restore-documentation
93e640e TASK: write documentation for backup restoring