Changelog:
- Add command show_usermacro_template_list
- Add command update_host_proxy
- Add command load_balance_proxy_hosts
- Add command move_proxy_hosts
- Update show_alarms command with hostgroups search support.
- Add color support for the show_alarms command.
- Update documentation
- Change command name: show_host_macros -> show_host_usermacros
- Change command name: show_macro_host_list -> show_usermacro_host_list