Close gtasks preferences when invoke sync, + fix for NPE introduced by getting rid of list extra

astrid/plugin-src/com/todoroo/astrid/gtasks/GtasksPreferences.java

@@ -54,6 +54,7 @@ public class GtasksPreferences extends SyncProviderPreferences {
     @Override
     public void startSync() {
         new GtasksSyncProvider().synchronize(this);
+        finish();
     }
 
     @Override

astrid/src/com/todoroo/astrid/activity/FilterListActivity.java

@@ -208,6 +208,7 @@ public class FilterListActivity extends ExpandableListActivity {
             if(filter instanceof FilterWithCustomIntent) {
                 FilterWithCustomIntent customFilter = ((FilterWithCustomIntent)filter);
                 intent.setComponent(customFilter.customTaskList);
+                if(customFilter.customExtras != null)
                     intent.getExtras().putAll(customFilter.customExtras);
             }
             startActivity(intent);

astrid/src/com/todoroo/astrid/activity/ShortcutActivity.java

@@ -144,9 +144,11 @@ public class ShortcutActivity extends Activity {
         if(filter instanceof FilterWithCustomIntent) {
             FilterWithCustomIntent customFilter = ((FilterWithCustomIntent)filter);
             shortcutIntent.putExtra(TOKEN_CUSTOM_CLASS, customFilter.customTaskList.flattenToString());
+            if(customFilter.customExtras != null) {
                 for(String key : customFilter.customExtras.keySet())
                     putExtra(shortcutIntent, key, customFilter.customExtras.get(key));
             }
+        }
 
         shortcutIntent.setAction(Intent.ACTION_VIEW);
         shortcutIntent.putExtra(ShortcutActivity.TOKEN_FILTER_TITLE,