ultron: Fix spacing in socketConfig.

No changes in functionality, it just hurts my eyes :-)

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
ultron: Upgrade to kernel 3.10.

Mainly because there are quite a lot of BTRFS changes in between and
some improvements on performance.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
ultron: Provide some BTRFS mount options.

And "suddenly", journalctl takes less than a second to respond, compared
to several _minutes_ as before :-)

Signed-off-by: aszlig <aszlig@redmoonstudios.org>