Ensure that ownership and perms are copied to volume

This only works if the file or dir is already created in
the image before setting it to be a volume.  There is no way around this
because we don't have the data avaliable to set the volume at the
beginning of the dockerfile
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Add test for volume ownership and perms
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #6167 from crosbymichael/volume-ownership

Retain volume ownership and permissions