Failing nightly builds due to Omegah

[ikalash]

There are test failures in the nightlies involving Omegah: https://sems-cdash-son.sandia.gov/cdash/viewBuildError.php?buildid=68010

E.g.,

[Albany/tests/unit/disc/omegah/box_mesh.cpp:51](https://blob/master/Albany/tests/unit/disc/omegah/box_mesh.cpp#L51):46: error: 'class Teuchos::RCP<Omega_h::Mesh>' has no member named 'owned'

@bartgol I think this is due to your recently merged PR. Can you please fix? Is it b/c I am not using Omegah in the nightlies and there is a missing ifdef?