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 #12649 - Index search not retained on cancel click

On pages puppet classes and host group, index search is not
retained on form's cancel click.
Added cancel_path_with_index_search method
in file application_helper.rb

Fixes #16899 - rename helper with conflicting path name

fixes #16725 - add plugin extension point for smart proxies

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...

fixes #14666 - support IPv6 in UI

Fixes #15629 - parameters form shows new parameters after error

Fixes #4477 - Host[group] form only show authorized resources

Previously, most dropdowns in the host and hostgroup edit forms
displayed all of the existing resources, including some that a user may
not have been authorized to view.
This commit makes sure only authorized resources are displayed, with the...

Fixes #13164 - Add view_params permission

A new view_params permission was added for parameters inheriting from
Parameter object. The only exception is global parameters, which are
already handled by filter for CommonParameter resource.

This new permissions is also automatically added to viewer and site...

Fixes #15333 - Moved puppet environment field to helper