fix dlo manifest file getting versioned

According to documentation dlo manifest files should not
be versioned. This patch fixes this issue and adds
some unit and functional for this scenario.

Change-Id: Ib5b29a19e1d577026deb50fc9d26064a8da81cd7
Signed-off-by: Thiago da Silva <thiago@redhat.com>
Merge "fix dlo manifest file getting versioned"