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 #12560 - Correct popover behaviour for reports table

(cherry picked from commit 309a330551796bec7409da0fd116f5e6a60933e8)

Fixes #14286 - added :groups_base field to auth_source_ldaps API

(cherry picked from commit 6aa12560df8df0246b1a93801655bad0954e880d)

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 #14240 - added :server_type attribute to API rabl

(cherry picked from commit 82a0ba465e8de728c10f2d1e5678c9df2499186f)

Fixes #14237 - Missing tag for hosts/welcome.html.erb

(cherry picked from commit 16ca1592a4b28f8bfbd08e84b057b7c74995c77d)