Fixes #12659 - Fixed "inherit" behavior

Non-inherited attributes are now sent in the form data.

Fixes #12618 - Now calls for compute attributes are explicit.

Prevents compute attributes from being overwritten unconditionally from
the hostgroup's compute profile.

Fixes #12752 - Host and hostgroup clone should copy smart class parameters overrides

Fixes #12691 - Small Rails 4 backwards compatible changes

Following on 10409, rebasing the Rails 4 PR with develop has needed some
changes that can be backported to develop now.

Fixes #6007 - Allowing to hide smart class parameters

Fixes #12644, #12643 - Correctly authorize in lookup key index

There was a problem with the authorizer for lookup key indices that led
to problems with sorting and searching.
Because `#includes` lazy loads the included relation, and the authorizer
didn't need the relation, it didn't load the puppetclass or the...

fixes #1584 - bulk owner change

Fixes #12611 - CVE-2015-7518 prevent XSS on host edit form

The host edit forms allowed stored XSS attacks by storing html content
in smart class parameter and smart variable description or inherited
values, which is then passed unescaped to an html-allowing popover....

i18n - add Catalan Language

fixes #12730 - removing the fakeFS gem