Fixes #17015 - Adds Key pairs controller

Fixes #16625 - Deprecate show_taxonomy_tabs? helper

This helper isn't really needed as the partial already takes care of it.

Fixes #16092 - Test connection buttons don't disapper on error

Fixes #16072 - Fixes compute profile two pane

Fixes compute profile two-pane behaviour in compute resource detail
page and adds support for using id '#two_pane_content' for element
that should be replaced after closing the right pane. '#content' is
still used by default.

Fixes #15345 - allow changing oVirt CA certificate

Fixes #15066 - operating systems and ovirt < 3.6

The operating systems endpoint was added in ovirt 3.6
https://bugzilla.redhat.com/show_bug.cgi?id=1050243. Older versions
were failing getting 404 when provisioning.

This patch adds a check for this case. We also cache the operating...

Fixes #12945 - use helper for table css classes

Fixes #14769 - avoid template comments because of deface

After many hours spent on debugging I realized that the issue is that
when action view compiles the template, some lines are concatenated
together just split by ";". This becomes problem when ERB tag contained...

Fixes #14326 - Show long compute resource descriptions correctly

Fixes #12979 - Create helper for "new" button

Previously the button classes were applied to new buttons using jQuery.
This commit creates a `new_link` helper that makes sure all new buttons
will receive the correct class and only display if authorized. Also a...