fixes #9782 - implement mediapath for suse/yast

(cherry picked from commit 7aa342eabf33f96916f3061db313aecba46b0933)

Fixes #14166 - Host facet attributes handling updated

Basically added code to include handling of host facets in hosts where
no form attributes belonging to that facet are set.

(cherry picked from commit 5d64eef2cba8e56ad39510c3bd1d724bd52762eb)

Fixes #14264 - improve primary interface selection

(cherry picked from commit 308f611d9bb17173588a6f59c7a914b551923a7b)

Fixes #5859 - don't rely on a mac address being present when overriding the conflicts

We tried to initiate the `dhcp_record` for checking if conflicts were
there. The problem was the mac address was not available at that stage
when using the compute resources. It also turns out there is no need...

fixes #14253 - add attr_accessible to Widget

Add position/view related attributes to widget as accessible attributes
and protect data such as template and name. Under Rail 4.2, saving the
dashboard was failing due to attribute protection, so new functional...

Fixes #14183 - showing whitespace validation in smart variables

(cherry picked from commit ea740cfed3ee43f80095dce087065ec0fe8c9231)

fixes #14239 - when creating host from API, set first interface as primary if none set

(cherry picked from commit 38d9333f8e82e45fc6771ea7740e6ea625b97d3f)

Fixes #14184 - allow filter creation for users with taxonomies

(cherry picked from commit 473ba1c6562c039564331bf5cf66804d27dfd736)

Fixes #9932 - fix preallocate attribute mapping

(cherry picked from commit 545716c40c34acca04113642fd934af5ae1e8032)

Fixes #14113 - run dhcp orchestration only on DHCP subnets

(cherry picked from commit 85c6f530855ffafbb90c02e1f9dadabe1b6823ac)