Use sets for comparison of accessible pages
Merge pull request #690 from mfalesni/set_comparison

Use sets for comparison of accessible pages
SSHClient knows how to get the appliance version, Appliance exposes it
Merge pull request #688 from seandst/appliance-version

SSHClient knows how to get the appliance version, Appliance exposes it
Remove sleep() from rh update tests

Make Appliance.is_web_ui_running() more robust

Appliance.provision_appliance_set() no longer using utils.async
Open new browser_session to avoid session timeout