[tx-robot] updated from transifex

apps/files/l10n/pt_PT.php

apps/files_external/l10n/sk_SK.php

apps/files_sharing/l10n/he.php

apps/files_versions/l10n/ca.php

apps/user_ldap/l10n/ru_RU.php

core/l10n/sk_SK.php

l10n/ca/files_versions.po

l10n/ca/settings.po

l10n/cs_CZ/settings.po

l10n/de/settings.po

l10n/es/settings.po

l10n/he/files_sharing.po

l10n/it/settings.po

l10n/pt_PT/files.po

l10n/pt_PT/settings.po

l10n/ru_RU/user_ldap.po

l10n/sk_SK/core.po

l10n/sk_SK/files_external.po

l10n/sk_SK/settings.po

l10n/sv/settings.po