<oo-diagnostics> Bug 970805 - Add check for broker SSL cert

https://bugzilla.redhat.com/show_bug.cgi?id=970805

Add a test for verifying that the broker SSL cert is valid and that
ServerName matches the certificate Common Name
Merge pull request #2810 from detiber/bz970805

Merged by openshift-bot
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Automatic commit of package [rubygem-openshift-origin-common] release [1.10.2-1].
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Automatic commit of package [rubygem-openshift-origin-auth-kerberos] release [1.10.2-1].
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Automatic commit of package [rubygem-openshift-origin-auth-remote-user] release [1.10.2-1].
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