chore(translate): update German

Currently translated at 94.2% (229 of 243 strings)
Translation: SimpleEmail/Translations
Translate-URL: https://hosted.weblate.org/projects/simple-email/translations/de/

app/src/main/res/values-de/strings.xml

@@ -1,7 +1,6 @@
-<?xml version="1.0" encoding="utf-8"?>
-
+<?xml version='1.0' encoding='UTF-8'?>
 <resources>
-  <string name="app_copyright">Copyright &#x24B8; 2018 by M. Bokhorst\nCopyright &#x24B8; 2018 by Distopico (dystopia project) and contributors</string>
+  <string name="app_copyright">Copyright Ⓒ 2018 by M. Bokhorst\nCopyright Ⓒ 2018 by Distopico (dystopia project) and contributors</string>
   <string name="channel_service">Dienst</string>
   <string name="channel_notification">Benachrichtigungen</string>
   <string name="channel_error">Fehler</string>
@@ -71,7 +70,7 @@
   <string name="title_advanced_swipe">Wischgesten</string>
   <string name="title_advanced_compact">Kompakte Nachrichtenansicht</string>
   <string name="title_advanced_debug">Debuggen</string>
-  <string name="title_select">Wählen Sie &#8230;</string>
+  <string name="title_select">Wählen Sie …</string>
   <string name="title_identity_name">Ihr Name</string>
   <string name="title_identity_email">Ihre E-Mail-Adresse</string>
   <string name="title_identity_reply_to">Antwortadresse</string>
@@ -95,7 +94,7 @@
   <string name="title_user">Benutzername</string>
   <string name="title_password">Passwort</string>
   <string name="title_authorize">Konto wählen</string>
-  <string name="title_authorizing">Autorisieren Konto &#8230;</string>
+  <string name="title_authorizing">Autorisieren Konto …</string>
   <string name="title_setup_advanced">Erweitert</string>
   <string name="title_store_sent">Gesendete E-Mails speichern (normalerweise nicht nötig)</string>
   <string name="title_synchronize_account">Synchronisiere (empfange E-Mails)</string>
@@ -197,7 +196,7 @@
   <string name="title_attachments_missing">Anhänge werden noch geladen</string>
   <string name="title_draft_deleted">Entwurf verworfen</string>
   <string name="title_draft_saved">Entwurf gespeichert</string>
-  <string name="title_queued">Nachricht senden\u2026</string>
+  <string name="title_queued">Nachricht senden…</string>
   <string name="title_encrypt">Verschlüsseln</string>
   <string name="title_decrypt">Entschlüsseln</string>
   <string name="title_no_openpgp">OpenKeychain wurde nicht gefunden</string>