Fixes #11444 - Correctly count hosts in domain

Only hosts that have a primary nic assigned to a domain should be
counted in the domain host count. Previous implementation was flawed in
that it only updated the counter in certain occasions and not all,
leading sometimes to incorrect host counts....

Fixes #8800 - Clip table cells only when needed

For clipping to work, table must have class `table-fixed` and the cell
have class `ellipsis`. Also column widths should be set in table head.
Clipping will occur automagically with tooltip.

Fixes #7574 - Rails 4 :data attributes substitute deprecated HTML options

Fixes #8963 - Rename trunc helper to trunc_with_tooltip

Fixes #8830 - Allow two-pane to work on show

Fixes #8785 - HTML syntax fixes - add thead/tbody, fix formatting

Fixes #6710 - unicode characters in url parameters

Original methods to_param defined on resources called name.parameterize
to get rid of url-unsafe characters. This function unfortunately also
stripped off unicode characters.

Changes:
- parameterization extracted into a separate module Parameterizable...

Fixes #7588 - pagination info not a button and aligned

Fixes #6713: Long names needs to be truncated while listing

Fixes #6444 - add support for virtual NICs

Extend additional interface details refs #2240

NIC facts parsing change and we create interfaces in Foreman according
to facts we recieve.

Subclasses does not define their own attributes and serialize them to
attrs hash. All BMC attributes are extracted to separate columns so it's...