title: ionic: scroll content with two fingers only
body: <p>I have <code>ion-scroll</code> content with elements which can be dragged around. The issue is actually not about disabling scrolling when dragging. The issue is that as the content elements fill practically the whole content area, whenever I want to scroll, actually a drag event happens.</p>
  
  <p>Is it possible to define a scroll gesture with two fingers only? So whenever I'd be using two fingers, it would scroll, but when I use one finger, it drags.</p>
  
  <pre><code> &lt;ion-scroll id="queue-scroll" delegate-handle="queue-scroll" ng-drop="true"&gt;
  
      &lt;div items="queue.items"&gt;
        &lt;app-item 
          ng-drag-start="stopIonicScroll()" 
          on-release="startIonicScroll()" 
          ng-drag-data="item" 
          ng-drop-success="onDropComplete($data,$event,$index)" 
          ng-repeat="item in queue.items track by $index" /&gt;
  
      &lt;/div&gt;
    &lt;/ion-scroll&gt;
  </code></pre>