Added romanian translation. Many thanks to Orfescu Horatiu for the translation.

interface/lib/lang/ro.lng

interface/web/admin/lib/lang/ro.lng

interface/web/admin/lib/lang/ro_firewall.lng

interface/web/admin/lib/lang/ro_firewall_list.lng

interface/web/admin/lib/lang/ro_groups.lng

interface/web/admin/lib/lang/ro_groups_list.lng

interface/web/admin/lib/lang/ro_language_add.lng

interface/web/admin/lib/lang/ro_language_complete.lng

interface/web/admin/lib/lang/ro_language_edit.lng

interface/web/admin/lib/lang/ro_language_export.lng

interface/web/admin/lib/lang/ro_language_import.lng

interface/web/admin/lib/lang/ro_language_list.lng

interface/web/admin/lib/lang/ro_server.lng

interface/web/admin/lib/lang/ro_server_config.lng

interface/web/admin/lib/lang/ro_server_config_list.lng

interface/web/admin/lib/lang/ro_server_ip.lng

interface/web/admin/lib/lang/ro_server_ip_list.lng

interface/web/admin/lib/lang/ro_server_list.lng

interface/web/admin/lib/lang/ro_software_package_list.lng

interface/web/admin/lib/lang/ro_software_repo.lng