GeoMapFish Datepicker example

This example shows how to use the ngeo-date-picker directive with the gmf WMS time service in order to format the date for WMS.

Select a period with a datepicker
Date formatted for a WMS request (resolution set on 'day'):
```
          {{ctrl.rangeValue}}
        
```
Select a single date with a datepicker
Date formatted for a WMS request (resolution set on 'month'):
```
          {{ctrl.value}}
        
```