[tx-robot] updated from transifex

l10n/bg_BG/lib.po

l10n/cs_CZ/lib.po

l10n/de/lib.po

l10n/de_DE/lib.po

l10n/es/lib.po

l10n/eu/lib.po

l10n/fi_FI/lib.po

l10n/it/files_sharing.po

l10n/it/lib.po

l10n/nl/lib.po

l10n/pt_BR/lib.po

l10n/pt_PT/lib.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

l10n/templates/files_versions.pot

l10n/templates/lib.pot