Leverage MVC Validation to do client side validation

[orchardbot]

@andrerod created: https://orchard.codeplex.com/workitem/17307

Since we're using MVC validation we could leverage that fact to do client side validation almost for free:

http://msdn.microsoft.com/en-us/magazine/ee336030.aspx

[orchardbot]

@Piedone commented:

Related: http://orchard.codeplex.com/workitem/17274

[orchardbot]

@bleroy commented:

Let's reevaluate this.

[orchardbot]

rfcdejong commented:

Please take a look at what brad wilson wrote about new support in mvc 3 http://bradwilson.typepad.com/blog/2010/10/mvc3-unobtrusive-validation.html