[tx-robot] updated from transifex

apps/comments/l10n/el.js

apps/comments/l10n/el.json

apps/encryption/l10n/el.js

apps/encryption/l10n/el.json

apps/federation/l10n/zh_TW.js

apps/federation/l10n/zh_TW.json

apps/files/l10n/el.js

apps/files/l10n/el.json

apps/files/l10n/is.js

apps/files/l10n/is.json

apps/files/l10n/zh_TW.js

apps/files/l10n/zh_TW.json

apps/files_external/l10n/el.js

apps/files_external/l10n/el.json

apps/files_external/l10n/is.js

apps/files_external/l10n/is.json

apps/files_sharing/l10n/de.js

apps/files_sharing/l10n/de.json

apps/files_sharing/l10n/de_DE.js

apps/files_sharing/l10n/de_DE.json