Fixes #26772 - Use react-router on hw models page

Fixes #24041 - Move HW Models Table to pf-react

Fixes #24783 - Refactor hosts count

This takes advantage of the new HostCounter service to simplify and
unify host counts throughout the application. A cache was also added to
the service to speed up responses when multiple counters are created for
the same association in quick succession.

Fixes #22855 - Add full breadcrumbs functionality

Fixes #22236 - Adds breadcrumbs to foreman UI

Fixes #19332 - Add welcome page when missing

fixes #16592 - keep consistent for headline capitalization

Based on PatternFly Outline Headline Style, Suggested to
keep consistent in headline capitaliztion.

Fixes #17872 - Update button label from New to Create

Based on PatternFly Terminology and Wording suggestions
Don't recommend to use New, so update New to Create.

Fixes #16104 - Use parameterizable for HW models

Correctly escape HW model names that may contain url-unsafe characters.
Also removed unnecessary truncation of the model name.

Resource finder now works correctly for models that may contain either a
friendly name or a parameterized id-name.

Fixes #12193 - Stop using counter_cache for host[group] counts

This is aimed to prevent deadlocks caused by Rails' implementation of
counter_cache that is hit when multiple hosts are created or updated at
the same time. An added benefit is that the counters will now display...