Support property to remove vertical plank from 3D charts

```
Visifire Version           : <Copy from: 'about:version'>
Silverilght / WPF          : Both
Managed Code / JavaSctipt  : Both
Browser and its Version    : All

Support property to remove vertical plank from 3D charts
```

Original issue reported on code.google.com by `vivek.da...@gmail.com` on 25 Jul 2011 at 4:24
