Implementation of fuzzy dates
Adding font-icon to calendar
Added binding to store the fuzzy date: (fuzzyDateValueBinding)
Adding comments and reset of fuzzy date to null when manually changing the value
Making properties directly on the widget.
Adding fuzzy date checkbox and binding behaviors.
Enable/disable checkbox based on preset date range chosen.
Setup initial value correctly
Add title to checkbox
Allow more than one date range on a page. Improve validation for fuzzy dates.
Translate relative dates in display. Disable relative dates when range is not in preset range.
Fixing unit tests