fixes #15391 - quote host group search links

Fixes #12945 - use helper for table css classes

fixes #14555 - use new_link on hostgroups welcome page

Fixes #12979 - Create helper for "new" button

Previously the button classes were applied to new buttons using jQuery.
This commit creates a `new_link` helper that makes sure all new buttons
will receive the correct class and only display if authorized. Also a...

Fixes #13279 - Adapt alerts to Patternfly

Currently our alerts have a h4 header, then a text. Alerts on Patternfly
are meant to have a bold title, then the content, like one can see in
https://www.patternfly.org/widgets/#alerts

Fixes #12957 - removing current_parameters from hostgroup

Fixes #4629 - Migrate UI to Patternfly

Fixes #12937 - All parameters can be hidden

The js to hide parameters was moved to lookup_key.js which isn't
included in application.js so only templates that include it
specifically can hide values.

Fixes #11458 - Override inline for class parameters

This implements override inline for smart class parameters and smart
variables in host and hostgroup edit forms.
Global variable override inline will be done in a seperate PR.

Authors:
Ori Rabin <orrabin@redhat.com>...

Fixes #11307 - Add host count to hostgroups