make "repeat alerts" setting translatable

Fixes #2511
Closes #2516

 //FREEBIE

res/values/arrays.xml

@@ -186,12 +186,12 @@
   </string-array>
 
   <string-array name="pref_repeat_alerts_entries">
-      <item>Never</item>
-      <item>One time</item>
-      <item>Two times</item>
-      <item>Three times</item>
-      <item>Five times</item>
-      <item>Ten times</item>
+      <item>@string/preferences__never</item>
+      <item>@string/preferences__one_time</item>
+      <item>@string/preferences__two_times</item>
+      <item>@string/preferences__three_times</item>
+      <item>@string/preferences__five_times</item>
+      <item>@string/preferences__ten_times</item>
   </string-array>
 
   <string-array name="pref_repeat_alerts_values" translatable="false">

res/values/strings.xml

@@ -713,6 +713,13 @@
     <string name="preferences__change_notification_sound">Change notification sound</string>
     <string name="preferences__inthread_notifications">In-thread notifications</string>
     <string name="preferences__play_inthread_notifications">Play notification sound when viewing an active conversation.</string>
+    <string name="preferences__repeat_alerts">Repeat alerts</string>
+    <string name="preferences__never">Never</string>
+    <string name="preferences__one_time">One time</string>
+    <string name="preferences__two_times">Two times</string>
+    <string name="preferences__three_times">Three times</string>
+    <string name="preferences__five_times">Five times</string>
+    <string name="preferences__ten_times">Ten times</string>
     <string name="preferences__vibrate">Vibrate</string>
     <string name="preferences__also_vibrate_when_notified">Also vibrate when notified</string>
     <string name="preferences__minutes">minutes</string>

res/xml/preferences_notifications.xml

@@ -45,7 +45,7 @@
     <ListPreference
         android:key="pref_repeat_alerts"
         android:defaultValue="0"
-        android:title="Repeat alerts"
+        android:title="@string/preferences__repeat_alerts"
         android:dependency="pref_key_enable_notifications"
         android:entries="@array/pref_repeat_alerts_entries"
         android:entryValues="@array/pref_repeat_alerts_values" />