- Improve multilanguage in client module and merge all language

interface/web/client/lib/lang/bg_clients_list.lng

interface/web/client/lib/lang/de_clients_list.lng

interface/web/client/lib/lang/en_clients_list.lng

interface/web/client/lib/lang/es.lng

interface/web/client/lib/lang/es_client.lng

interface/web/client/lib/lang/es_clients_list.lng

interface/web/client/lib/lang/fr_client.lng

interface/web/client/lib/lang/fr_clients_list.lng

interface/web/client/lib/lang/it_clients_list.lng

interface/web/client/lib/lang/nl_clients_list.lng

interface/web/client/lib/lang/ru_clients_list.lng

interface/web/client/lib/lang/se_client.lng

interface/web/client/lib/lang/se_clients_list.lng

interface/web/lang/lib/lang/bg_list.lng

interface/web/lang/lib/lang/de_list.lng

interface/web/lang/lib/lang/es_list.lng

interface/web/lang/lib/lang/fr_list.lng

interface/web/lang/lib/lang/nl_list.lng

interface/web/lang/lib/lang/ru_list.lng

interface/web/lang/lib/lang/se_list.lng