[tx-robot] updated from transifex

apps/user_ldap/l10n/ar.php

core/l10n/en_GB.php

core/l10n/es.php

core/l10n/fi_FI.php

core/l10n/gl.php

core/l10n/it.php

core/l10n/nl.php

core/l10n/pl.php

core/l10n/pt_BR.php

core/l10n/tr.php

l10n/ar/settings.po

l10n/ar/user_ldap.po

l10n/cs_CZ/settings.po

l10n/en_GB/core.po

l10n/es/core.po

l10n/fi_FI/core.po

l10n/gl/core.po

l10n/it/core.po

l10n/nl/core.po

l10n/pl/core.po