feat(datepicker):add today date in controller with a class on the element

src/datepicker/datepicker.js

@@ -173,6 +173,8 @@ angular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootst
       dateParser.fromTimezone(new Date(ngModelCtrl.$modelValue), ngModelOptions.timezone) :
       dateParser.fromTimezone(new Date(), ngModelOptions.timezone);
 
+    this.todayDate = dateParser.fromTimezone(new Date(), ngModelOptions.timezone);
+
     ngModelCtrl.$render = function() {
       self.render();
     };
@@ -232,6 +234,10 @@ angular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootst
       $scope.activeDt = dt;
     }
 
+    if (this.compare(dt.date, self.todayDate) === 0) {
+      $scope.todayDt = dt;
+    }
+
     return dt;
   };
 

src/datepicker/test/datepicker.spec.js

@@ -312,6 +312,16 @@ describe('datepicker', function() {
       });
     });
 
+    it('should have a today date equal to the current date', function() {
+      var baseTime = new Date();
+      jasmine.clock().mockDate(baseTime);
+
+      element = $compile('<uib-datepicker ng-model="fooDate"></uib-datepicker')($rootScope);
+      $rootScope.$digest();
+
+      expect(element.controller('uibDatepicker').todayDate.getTime()).toEqual(baseTime.getTime());
+    });
+
     it('should support custom templates', function() {
       $templateCache.put('foo/bar.html', '<div>baz</div>');
 

template/datepicker/day.html

@@ -19,7 +19,8 @@
         <button type="button" class="btn btn-default btn-sm"
           uib-is-class="
             'btn-info' for selectedDt,
-            'active' for activeDt
+            'active' for activeDt,
+            'today' for todayDt
             on dt"
           ng-click="select(dt.date)"
           ng-disabled="::dt.disabled"