typo

public/app/controllers/upload.controller.js

                 reader.onload = (function(file) {
                     return function(e) {
                         $scope.$apply(function() {
-                            $scope.fileDropped(e.target.result, file);
+                            $scope.fileLoaded(e.target.result, file);
                         });
                     };
                 })(f);
             });
 
-            $scope.fileDropped = function(content, file)
+            $scope.fileLoaded = function(content, file)
             {
                 $scope.image = {
                     content: content,

public/app/views/upload.html

 <div layout="column" layout-fill layout-align="top center">
 
     <h1>Upload</h1>
-    <div image-dropzone="fileDropped(content, file)" class="dropzone">
+    <div image-dropzone="fileLoaded(content, file)" class="dropzone">
         <img ng-show="image != null" ng-src="{{ image.content | toDataUrl }}">
         <p ng-hide="image != null">
             Drag a file here or <a href="" ng-click="pickFile()">pick one</a>