[tx-robot] updated from transifex

apps/files/l10n/ru.php

apps/files_encryption/l10n/de_DE.php

apps/files_encryption/l10n/vi.php

apps/files_encryption/l10n/zh_CN.php

apps/user_ldap/l10n/pl.php

apps/user_ldap/l10n/sv.php

apps/user_ldap/l10n/zh_CN.php

l10n/de_DE/files_encryption.po

l10n/hu_HU/settings.po

l10n/pl/user_ldap.po

l10n/ru/files.po

l10n/ru/lib.po

l10n/ru/settings.po

l10n/sv/settings.po

l10n/sv/user_ldap.po

l10n/templates/core.pot

l10n/templates/files.pot

l10n/templates/files_encryption.pot

l10n/templates/files_external.pot

l10n/templates/files_sharing.pot