13899 mvc Stateful Dates

## Test 1: Two Calendars bound to each other, a TextBox and an mvc Output field.

TextBox bound to date:
MVC Output bound to date:

## Test 2: Two DateTextBoxes bound to each other, a TextBox and an mvc Output field.

TextBox bound to date:
MVC Output bound to date:

## Test 3: One Calendar bound to a DateTextbox, a TextBox and an mvc Output field.

TextBox bound to date: (disabled to avoid error)
MVC Output bound to date: