Catch ssh errors

[xendk]

If ssh fails, the commands fail, but it's not immediately obvious that it's a ssh problem. Usually it's the sanity check that fails, but it claims that the repo is not clean.

As long as sanity check is always the first action, it could be checked there. If it's not, the handling should be in Action::sh().

[arnested]

Or have a SshCheck action as the first action?

[xendk]

How does that go with local deployments?

[arnested]

Fine. If has a `--no-ssh-check` option 😄 tor. 8. dec. 2016 kl. 09.31 skrev Thomas Fini Hansen < notifications@github.com>:

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