Fixes #17681 - Switch to newly created taxonomy

(cherry picked from commit 9f68d4d91af0eef381a97dd5c4b33c114282d4e2)

Fixes #4519, #9531 - Correctly handle invalid host name changes

Removing a host name or otherwise changing it to an invalid name (such
as a name containing /) caused the form to fail loading. This makes sure
all paths are generated correctly and validation error is shown....

fixes #18024 - add 'image' search field to hosts

(cherry picked from commit 917054f26d5fd7e0e3edaafdc6bbfed9a147ea3d)

Fixes #17438 - Disable selecting IPv6 on import

(cherry picked from commit a4dccd9b55f441172983de16ba60206b15490e81)

Fixes #16782 - reset dhcp record cache after mac change

(cherry picked from commit 969832057c5ea6a1f84eaf5c53f5cdc7ee445af2)

Fixes #17864 - Show smart proxy errors on unattended fail

If your proxy is has some error (like misconfigured sudoers, puppet not
available, etc...) and you try to boot a host through unattended
mode [1], the exception will not show up when you try to fetch the...

Fixes #17904 - Show tooltips for long proxy log messages

(cherry picked from commit 5bd2b7485431068606fbcffb30f8b942e2d26632)

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 #13775 - merge if data set is present

(cherry picked from commit 8e81effcedafc539cbe3477b5565d9239f1f2f51)

Fixes #17870 - Empty boolean matcher should not turn into false

(cherry picked from commit d836a8383f1188f23b6ffbffa1a8fbbf52bef139)