3.2

1. Support JSON objects embedding in html pages, produced by THttpServer
2. For small resize of canvas use autoscale functionality of SVG. Only when
   relative changes too large, redraw complete canvas again.
3. Use touch-punch.min.js to process touch events with jquery-ui
4. Even when several TH1/TGraph/TF1 objects with fill attribute overlap each other,
   one able to get tooltip for underlying objects
5. Use jquery-ui menu for context menu
6. From context menu one could select several options for drawing
7. Provide user interface for executing TTree::Draw on THttpServer
8. 3D graphic (three.js) works only with IE11