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.
(cherry picked from commit 0c78cd75104a316cd78c5cd3ff9df3232bb8e144)

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.

(cherry picked from commit 7d71275255271ec8cebe12ca30645ed9299f189d)

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

i18n - extracting new, pulling from tx

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.
(cherry picked from commit 5a8f4579cbf581b7c54d86f3dc055d45362e6508)

Fixes #15287 - Correct link from puppet proxy dashboard chart

(cherry picked from commit 41be22a16ba8dbcf17e11661d4eb3fbe9f755a1d)

Fixes #17501 - Display tooltips on dashboard widgets (#4067)

(cherry picked from commit a18cc1f1cd42cde2749d5ef1921d927fc0ec7ce2)