pfSense

Sort return of get_pkg_info()

Use new installed flag to simplify logic

Remove unnecessary functions verify_all_package_servers() and check_package_server_ssl()

Rework pkg_mgt_installed.php:

- Use complete name for get_pkg_info() filter parameter
- Remove unnecessary calls to verify_all_package_servers and
check_package_server_ssl
- Remove unused and commented out tabs
- Use new pkg_version_compare() to compare package version, it...

Use inline function

Fixed #5236

Limit the auth methods where "My Certificate Authority" is displayed/saved for
mobile clients. Fixes #5323.

Fixed #5045

Partial fix for #5045

Cleanup unused code:

- Remove xmlrpcbaseurl from globals
- Remove xmlrpcpath from globals
- Remove embeddedbootupslice from globals
- Remove call_pfsense_method()
- Remove check_firmware_version()
- Remove get_active_xml_rpc_base_url()
- Remove zeromq.inc...