Provide default mode for Kendo Mobile.

When working in kendo mobile web applications, give the user the ability to specify a default or fallback render mode if iOS, blackberry, or droid are not found.

Implement it much in the same way you implement the platform application property but instead of saying use this platform for all render modes, this property would equate to saying use this mode IF none of the other supported modes within Kendo Mobile are not found.

This also would be good for future development as you add render modes we could response with our "default" style.