fixes #11415 - using the correct method for classification caster

fixes #10832 - separating lookup keys into puppet and variable

Fixes #10731 - Allow matches to merge with default values

fixes #10232 - moving validations and casting out of lookup key and value

Fixes #8333 - correct matcher values with multi-key matchers

Fixes #5554 - fixed hostgroup and fqdn validations in multiple matchers

Fixes #9787 - correctly typecast default values

JSON and YAML default values were double typecasted, once by active
record and then by value_of_key method.

Fixes #9673 - treat YAML and JSON lookup keys as strings

Refs #3809 - Remove cops for empty lines

Fixes #8052 - allows erb in array and hash params

Fixes #8551 - use most specific matcher for inherited hostgroups

Host recieves correct smart_class_parameter value when multiple overrides for
inherited host groups exist for parameter.

Refs #3809 - Remove useless assignments

Fixes #3260- Allows puppet to manage value of smart class parameter that can be overrided

Fixes #3309 - Support deep merging of hash and array structures in smart class parameters

Fixes #7733 - Remove hosts.yml fixtures and use FactoryGirl instead

fixes #7163 - on host's edit page, show the source for the value of puppet class parameters.

fixes #3272 - allow 'admin' account to be removed and replaced

fixes #5246 - remove second host/class lookup impl so config groups are included in ENC output

fixes #2478 - smart-variable in ENC stopped working

fixes #2220 - Suport hostgroup puppet classes parameters inheritance.

fixes #2262 - handle strings from PostgreSQL

fixes #2147 - param classes with multiple matchers are evaluated incorrectly