i18n/German/openvpn: update translation
i18n/German/qos: fix units name
i18n/German/openvpn: add new translated text for commit f9f379f "implement button to clear all existing OpenVPN keys"
Add translation to openvpn
Merge remote-tracking branch 'thknepper/master'
Merge remote-tracking branch 'wildrat/master'