Fix reordering

app/src/main/java/org/isoron/uhabits/models/sqlite/SQLiteHabitList.java

@@ -205,6 +205,8 @@ public class SQLiteHabitList extends HabitList
         record.save();
 
         update(from);
+
+        getObservable().notifyListeners();
     }
 
     @Override

app/src/main/java/org/isoron/uhabits/ui/habits/list/model/HabitCardListAdapter.java

@@ -178,8 +178,6 @@ public class HabitCardListAdapter extends BaseAdapter
     public void reorder(int from, int to)
     {
         cache.reorder(from, to);
-        cache.refreshAllHabits(false);
-        notifyDataSetChanged();
     }
 
     /**

app/src/main/java/org/isoron/uhabits/ui/habits/list/model/HabitCardListCache.java

@@ -144,12 +144,9 @@ public class HabitCardListCache implements CommandRunner.Listener
     public void reorder(int from, int to)
     {
         Habit fromHabit = data.habitsList.get(from);
-        Habit toHabit = data.habitsList.get(to);
-
         data.habitsList.remove(from);
         data.habitsList.add(to, fromHabit);
-
-        allHabits.reorder(fromHabit, toHabit);
+        if(listener != null) listener.onCacheRefresh();
     }
 
     public void setCheckmarkCount(int checkmarkCount)