v0.1.6

Changed

• Force secure 0600 on the mounted secrets, but since we are using fsGroup - kubernetes will force 0640 to it.
• Fix error adding multiple items to --secret-volume by allowing them to be added individually as item.
  This usually warrants major version bump since it is not backward compatible, but it is a hotfix to a feature that was just released and never worked, so it's fine.
• Implement --disable-discovery that allows to disable all or one-by-one elements of automatic discovery