[tx-robot] updated from transifex

apps/files/l10n/el.php

apps/files_external/l10n/fa.php

apps/files_external/l10n/ur_PK.php

apps/files_sharing/l10n/ur_PK.php

apps/user_ldap/l10n/pl.php

apps/user_ldap/l10n/ur_PK.php

core/l10n/ca.php

core/l10n/fa.php

l10n/ca/core.po

l10n/ca/lib.po

l10n/cs_CZ/lib.po

l10n/de/lib.po

l10n/de/settings.po

l10n/de_DE/lib.po

l10n/de_DE/settings.po

l10n/el/files.po

l10n/el/lib.po

l10n/el/settings.po

l10n/es/lib.po

l10n/es/settings.po