Allow disable

# Conflicts:
#	src/angularjs-dropdown-multiselect.js

Author: pkempenaers

src/angularjs-dropdown-multiselect.js

@@ -23,13 +23,14 @@ directiveModule.directive('ngDropdownMultiselect', ['$filter', '$document', '$co
                 searchFilter: '=?',
                 translationTexts: '=',
                 groupBy: '@'
+				disabled: "="
             },
             template: function (element, attrs) {
                 var checkboxes = attrs.checkboxes ? true : false;
                 var groups = attrs.groupBy ? true : false;
 
                 var template = '<div class="multiselect-parent btn-group dropdown-multiselect">';
-                template += '<button type="button" class="dropdown-toggle" ng-class="settings.buttonClasses" ng-click="toggleDropdown()">{{getButtonText()}}&nbsp;<span class="caret"></span></button>';
+                template += '<button ng-disabled="disabled" type="button" class="dropdown-toggle" ng-class="settings.buttonClasses" ng-click="toggleDropdown()">{{getButtonText()}}&nbsp;<span class="caret"></span></button>';
                 template += '<ul class="dropdown-menu dropdown-menu-form" ng-if="open" ng-style="{display: open ? \'block\' : \'none\', height : settings.scrollable ? settings.scrollableHeight : \'auto\', overflow: \'auto\' }" >';
                 template += '<li ng-if="settings.showCheckAll && settings.selectionLimit !== 1"><a ng-keydown="keyDownLink($event)" data-ng-click="selectAll()" tabindex="-1" id="selectAll"><span class="glyphicon glyphicon-ok"></span>  {{texts.checkAll}}</a>';
                 template += '<li ng-if="settings.showUncheckAll"><a ng-keydown="keyDownLink($event)" data-ng-click="deselectAll();" tabindex="-1" id="deselectAll"><span class="glyphicon glyphicon-remove"></span>   {{texts.uncheckAll}}</a></li>';