Update angular-redactor.js

My fix is to add a remove listener and before it's removed calling the destroy function.
This will remove all tooltips from the body and release the redactor properly.

Author: frenkelor

angular-redactor.js

@@ -54,6 +54,10 @@
                     $timeout(function() {
                         editor = $_element.redactor(options);
                         ngModel.$render();
+                        element.on('remove',function(){
+                            element.off('remove');
+                            element.redactor('core.destroy');
+                        });
                     });
 
                     ngModel.$render = function() {