Fix bug where clear personal data would crash Astrid. Also updated the sync stat algorithm.

src/com/timsu/astrid/sync/SynchronizationProvider.java

@@ -289,6 +289,8 @@ public abstract class SynchronizationProvider {
                 remoteConflict = data.remoteChangeMap.get(mapping.getTask());
                 localTask.mergeWithOther(remoteConflict);
                 stats.mergedTasks++;
+            } else {
+                stats.remoteUpdatedTasks++;
             }
 
             try {
@@ -308,8 +310,7 @@ public abstract class SynchronizationProvider {
                 TaskProxy newTask = helper.refetchTask(remoteConflict);
                 remoteTasks.remove(remoteConflict);
                 remoteTasks.add(newTask);
-            } else
+            }
-                stats.remoteUpdatedTasks++;
         }
 
         // 4. REMOTE SYNC load remote information

src/com/timsu/astrid/sync/Synchronizer.java

@@ -84,11 +84,14 @@ public class Synchronizer {
 
     /** Clears tokens of activated services */
     public static void clearUserData(Activity activity) {
+        Synchronizer synchronizer = new Synchronizer(false);
         for(ServiceWrapper serviceWrapper : ServiceWrapper.values()) {
             if(serviceWrapper.isActivated(activity)) {
+                serviceWrapper.service.synchronizer = synchronizer;
                 serviceWrapper.service.clearPersonalData(activity);
             }
         }
+        synchronizer.closeControllers();
     }
 
     // --- internal synchronization logic