[tx-robot] updated from transifex

apps/files_encryption/l10n/el.php

apps/files_sharing/l10n/el.php

apps/files_sharing/l10n/it.php

apps/files_sharing/l10n/nb_NO.php

core/l10n/el.php

l10n/el/core.po

l10n/el/files_encryption.po

l10n/el/files_sharing.po

l10n/el/settings.po

l10n/en_GB/files_sharing.po

l10n/it/files_sharing.po

l10n/it/settings.po

l10n/nb_NO/files_sharing.po

l10n/nb_NO/settings.po

l10n/templates/core.pot

l10n/templates/files.pot

l10n/templates/files_encryption.pot

l10n/templates/files_external.pot

l10n/templates/files_sharing.pot

l10n/templates/files_trashbin.pot