fixes #1804 - find hosts through nested hostgroups on puppet class search
refs #2189 - update host group parameter search tests
Fixes #4927 - Extend foreman-debug to look for extensions provided by plugins.

This assumes a directory called /usr/share/foreman/script/foreman-debug.d.
Any *.sh file in there is sourced. The expectation is that plugins would put
files into this locations and can add files or commands as necessary
fixes #4800 SLES special handling in facts parser
fixes #4731 - Rails 3.2.8 causing _pkey constraint errors
Fixes #4851: a SmartProxy.with_features scope replaces feature-specific scopes generated during class loading
fixes #4659 - added foreman-tail tool
fixes #4691 - add search for hosts' managed status
fixes #4673 - make default sort order descending on count columns
fixes #4712 - editing organization gives undefined method parent_taxonomy_selected_location_path
fixes #3946 Set host URLs from local settings file, if no Facter configuration exists. Add default values for settings example.
fixes #1966 - improved UI errors for proxy
fixes #1809 - foreman realm integration
i18n - extracting new, updating rails, pulling from tx
Fixes #4976 - ensure the process is really running inside a rake task
fixes #4995 - editing location with 'all users' checked fails on edit page in postgres
fixes #4462 - extending the /users/login handling to process REMOTE_USER through intercept
fixes #4863 - API V2 - add puppetclasses format style=list and module_name to base.json.rabl
refs #4305 - add support for OracleLinux
Fixes #4755 - use_cache in development