fixes #11095 - lookup keys do not get saved to db on setter invokation

(cherry picked from commit c6b4236846decc58583143f30d537a27b4848953)

Fixes #10402: add to_bool function for converting to boolean.

This commit adds a to_bool function for casting values to boolean
as well as an example usage.

http://projects.theforeman.org/issues/10402

fixes #10287 - provide helper methods for proxy features

fixes #7407 - puppet class parameters should be cloned in #clone

fixes #9551 - checking the encryption format so osx doesn't fail

Refs #3809 - Remove classcheck cop

Refs #3809 - Remove cop IndentationConsistency

Refs #3809 - Remove cops for empty lines

fixes #9124 - fixes detection of hashed root passwords

A root password that started with "$" would not be hashed, and therefore
would end up being stored in clear text and inserted in clear text to the
/etc/shadow file, which just won't work. This adds a bit more to the match...

Fixes #7456 - Extract primary interface from host

• Tomas Strachota (tstrachota) <tstrachota@redhat.com>
• Marek Hulán (ares) <mhulan@redhat.com>
• Gregory Sutcliffe (GregSutcliffe) <gsutclif@redhat.com>

All host must have at least one primary interface and one provision (can...

Refs #3809 - Enable cop BarePercentLiterals

fixes #8739 - use global setting when hostgroup root_pass is blank

A blank (not nil) root_pass on hostgroups was preventing correct inheritance
from settings in both hosts and nested hostgroups.

root_pass was also being copied from parents/settings to hostgroups when they...

Refs #3809 - Remove useless assignments

Fixes #844 #5725 - correct hosts count in puppetclass

Refs #3809 - Use parentheses in method definitions

fixes #2127: added support for root password hashing other than MD5

Fixes #5692 - correct counts in cached_counters

fixes #5680 - quote searches for config groups containing spaces

fixes #5444 - add param_false? host method and allow in templates

fixes #4204 - add config groups feature - assign multiple config groups to a host or hostgroup

fixes #1809 - foreman realm integration

fixes #4256 - makes columns sortable in the UI

fixes #3725, #4167 - root password validations, remove default password

fixes #3955 - added param_true? and snippet_if_exist template methods

fixes #3178 - add feature for compute profiles for hostgroups and hosts

fixes #3249 - change regex syntax from start/end of line to start/end of string

fixes #3048 - Non Admin user fails to override parameters when creating new host

fixes #3160 - sanitize host/host group names in lookup_value associations (CVE-2013-4386)

fixes #2812 - method lookup_values_attributes= not defined in Host::Managed (NameError)

fixes #2739 - add ActiveSupport::Concern syntax to mixins

fixes #2411 - move files in /models to /concerns, /services, /mailers, /observers