[tx-robot] updated from transifex

apps/files/l10n/el.php

apps/files/l10n/zh_CN.GB2312.php

apps/files_encryption/l10n/zh_CN.GB2312.php

apps/files_external/l10n/el.php

apps/files_external/l10n/zh_CN.GB2312.php

apps/files_sharing/l10n/el.php

apps/files_sharing/l10n/zh_CN.GB2312.php

apps/files_versions/l10n/cs_CZ.php

apps/files_versions/l10n/de.php

apps/files_versions/l10n/el.php

apps/files_versions/l10n/es.php

apps/files_versions/l10n/it.php

apps/files_versions/l10n/sl.php

apps/files_versions/l10n/sv.php

apps/files_versions/l10n/th_TH.php

apps/files_versions/l10n/zh_CN.GB2312.php

apps/files_versions/l10n/zh_CN.php

apps/user_ldap/l10n/de.php

apps/user_ldap/l10n/zh_CN.GB2312.php

core/l10n/de.php