Modifications for the Control model to work on new builds.
Remove appliance.db_session()

Fix appliance.rename()
Merge pull request #685 from jkrocil/utils-appliance-fix

Fix utils.appliance
Merge pull request #678 from mfalesni/control_update_for_upstream

Modifications for the Control model to work on new builds.
mfalesni is sorry, forgot to commit the double slashes
Merge pull request #689 from mfalesni/fixit

mfalesni is sorry, forgot to commit the double slashes
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