Fixes #17913 - Remove deprecation message when loading ACE editor

Fixes #17910 - Quote strings for JQuery href attribute selector

When the attribute starts with an hash (#) the query can not be
parsed by JQquery, quoting them prevents that from happening.

Fixes #17855 - reflect changes to template on image selection

In oVirt images are based on templates, so when an image is selected
on operating system tab, the template field on compute resource tab
should change accordingly.

Fixes #17858 - OpenStack scheduler doesn't show spinner

Foreman does not show the spinner when the OpenStack scheduler hints are
loading, instead it just shows a javascript error.

Fixes #17015 - Adds Key pairs controller

Fixes #17516 - Update jquery to 2.2.4 to fix XSS

Affected versions of the package (< 1.12) are vulnerable to Cross-site
Scripting (XSS) attacks when a cross-domain ajax request is performed
without the dataType option causing text/javascript responses to be...

fixes #17630 - show tooltips after deselecting selected item

For example,
User who must be the owner of that host, is having
an organization which is assigned to the same host
then on edit page, you will see tooltip on that organization
hover saying "This is used by host"....

Fixes #17570 - Only execute `onContentLoad` once per page

When an event is triggered, jQuery attempts to execute the on<name>
method if it exists for event <name>. We were also manually triggering
the `onContentLoad` every time the `ContentLoad` event was triggered,...

i18n - extracting new, pulling from tx

Fixes #12156 - Adds email configuration into Foreman settings

Instead using email.yaml, the email configuration
can be modified dynamically via settings.