fixes #3914 - set current taxonomies on login from user defaults
fixes #5157 - allowed to suggest new IP on the new host form
fixes #4122 and new charts design
fixes #5105 - remove Setting['remove_classes_not_in_environment']
fixes #5083 - refactor host_edit.js - remove puppetclass specific functions to class_edit.js
fixes #5137 - audited :associated_with labels are 'N/A' for models that have a hyphen
fixes #4204 - add config groups feature - assign multiple config groups to a host or hostgroup
fixes #5173 - sortable counters on list of config_groups for number of hosts, hostgroups and puppetclasses
fixes #5141 - User unable to access children taxonomies on switcher
Fixes #5139 - leftovers subscribe_to_all_hostgroups

Remove user_xxx unnecessary tables and notices