Add support for repeat every fifth day of week

app/src/main/java/org/tasks/repeats/CustomRecurrenceDialog.java

@@ -203,13 +203,14 @@ public class CustomRecurrenceDialog extends DialogFragment {
       repeatMonthlyDayOfLastWeek.setVisibility(View.GONE);
     }
 
-    if (dayOfWeekInMonth < 5) {
+    if (dayOfWeekInMonth < 6) {
       int[] resources =
           new int[] {
             R.string.repeat_monthly_first_week,
             R.string.repeat_monthly_second_week,
             R.string.repeat_monthly_third_week,
-            R.string.repeat_monthly_fourth_week
+            R.string.repeat_monthly_fourth_week,
+            R.string.repeat_monthly_fifth_week,
           };
       repeatMonthlyDayOfNthWeek.setVisibility(View.VISIBLE);
       String nth = getString(resources[dayOfWeekInMonth - 1]);

app/src/main/java/org/tasks/repeats/RepeatRuleToString.java

@@ -133,7 +133,8 @@ public class RepeatRuleToString {
               R.string.repeat_monthly_first_week,
               R.string.repeat_monthly_second_week,
               R.string.repeat_monthly_third_week,
-              R.string.repeat_monthly_fourth_week
+              R.string.repeat_monthly_fourth_week,
+              R.string.repeat_monthly_fifth_week
             };
         return context.getString(
             R.string.repeat_monthly_every_day_of_nth_week,

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

@@ -480,6 +480,7 @@ File %1$s contained %2$s.\n\n
   <string name="repeat_monthly_second_week">second</string>
   <string name="repeat_monthly_third_week">third</string>
   <string name="repeat_monthly_fourth_week">fourth</string>
+  <string name="repeat_monthly_fifth_week">fifth</string>
   <string name="repeat_monthly_last_week">last</string>
   <string name="tasker_create_task">Create task</string>
   <string name="tasker_list_notification">List notification</string>