Updated openstack/openstack
Project: openstack/glance  f7effe4a4f0db31fff8e612e6d47298024e645a9

Use safe way through "with" statement to work with files

It's good practice to use with statement to work with files. This way files get
closed automatically at the end of the block. Fixed some cases, including some
where file wasn't closed after usage

Change-Id: I9399f2a2b7edb1cd5aa64782cd9f980f9233b827