adding Funnel and Radar chart support, $scope.options now takes a pro…

…mise, and added support for export config

README.md

@@ -25,7 +25,7 @@ angular.module('MyModule', ['amChartsDirective'])
 ```
 
 
-#### [You can play with a working JS Fiddle example here!](http://jsfiddle.net/w3vpc35o/41/)
+#### [JSFiddle Example here](http://jsfiddle.net/w3vpc35o/41/)
 
 
 #### Quick sample code
@@ -84,6 +84,77 @@ $scope.amChartOptions = {
         }]
     }
 ```
+
+#### Promise based chart rendering
+
+``` javascript
+
+// this function returns our chart data as a promise
+    $scope.dataFromPromise = function(){
+    	var deferred = $q.defer();
+
+        var data = [{
+            year: 2005,
+            income: 23.5,
+            expenses: 18.1
+        }, {
+            year: 2006,
+            income: 26.2,
+            expenses: 22.8
+        }, {
+            year: 2007,
+            income: 30.1,
+            expenses: 23.9
+        }, {
+            year: 2008,
+            income: 29.5,
+            expenses: 25.1
+        }, {
+            year: 2009,
+            income: 24.6,
+            expenses: 25
+        }];
+
+        deferred.resolve(data)
+        return deferred.promise;
+    };
+
+    // We can optionally pass a promise to the options attribute on the AmChartsDirective
+    // to delay the chart rendering until the promise resolves
+    $scope.amChartOptions = $timeout(function(){
+    	return {
+            // we can also use a promise for the data property to delay the rendering of
+            // the chart till we actually have data
+            data: $scope.dataFromPromise(),
+            type: "serial",
+            theme: 'black',
+            categoryField: "year",
+            rotate: true,
+            pathToImages: 'https://cdnjs.cloudflare.com/ajax/libs/amcharts/3.13.0/images/',
+            legend: {
+                enabled: true
+            },
+            chartScrollbar: {
+                enabled: true,
+            },
+            categoryAxis: {
+                gridPosition: "start",
+                parseDates: false
+            },
+            valueAxes: [{
+                position: "top",
+                title: "Million USD"
+            }],
+            graphs: [{
+                type: "column",
+                title: "Income",
+                valueField: "income",
+                fillAlphas: 1,
+            }]
+    	}
+    }, 1000)
+
+```
 
 
 ##### If you do not specify a category field or a value field, the directive will assume the category field is at index [0] and the value field is at index [1]. Using the example above, 'year' would be the category field, and 'income' would be the value field.