Restored quick tips (how did this get deleted?) and enabling zoom in the sync login activity.

src/com/timsu/astrid/activities/SyncLoginActivity.java

@@ -100,7 +100,7 @@ public class SyncLoginActivity extends Activity {
         });
         webView.getSettings().setJavaScriptEnabled(true);
         webView.getSettings().setSavePassword(false);
-        webView.getSettings().setSupportZoom(false);
+        webView.getSettings().setSupportZoom(true);
         webView.loadUrl(urlParam);
 
         final Handler handler = new Handler();

src/com/timsu/astrid/activities/TaskListSubActivity.java

@@ -1071,6 +1071,10 @@ public class TaskListSubActivity extends SubActivity {
                     Uri.parse(Constants.HELP_URL));
             launchActivity(browserIntent, 0);
             return true;
+        case OPTIONS_QUICK_TIPS:
+            DialogUtilities.okDialog(getParent(),
+                    getResources().getString(R.string.quick_tips), null);
+            return true;
         case OPTIONS_CLEANUP_ID:
             cleanOldTasks();
             return true;