Automate methods should not be able to modify readonly domains

https://bugzilla.redhat.com/show_bug.cgi?id=1142317

The $evm.instance_create, $evm.instance_delete and
$evm.instance_update methods now check if the domain
is editable before creating/updating/deleting
More old ruby 1.8.7 unused fleecing tests.

Missed from #605
Remove Hpricot from MiqXml since it's never used
Merge pull request #625 from Fryguy/remove_miq_xml_hpricot

Remove Hpricot from MiqXml since it's never used
Merge pull request #624 from jrafanie/remove_more_fleecing

More old ruby 1.8.7 unused fleecing tests.
Merge pull request #620 from mkanoor/bugzilla_1142317

Automate methods should not be able to modify readonly domains
Fixed partial rendering
Merge pull request #627 from romanblanco/ems_clouds_fix

Fixed partial rendering