replace Promise by Q.defer in ImageImport step

src/js/controller/dialogs/importwizard/steps/ImageImport.js

@@ -60,7 +60,8 @@
     var name = this.extractFileNameFromPath_(this.file_.name);
     // Remove extension from filename.
     name = name.replace(/\.[a-zA-Z]+$/, '');
-    return new Promise(function (resolve, reject) {
+
+    var deferred = Q.defer();
     pskl.app.importService.newPiskelFromImage(
       this.importedImage_,
       {
@@ -74,9 +75,9 @@
         smoothing: !!this.smoothResize.checked,
         name: name
       },
-        resolve
+      deferred.resolve
     );
-    }.bind(this));
+    return deferred.promise;
   };
 
   ns.ImageImport.prototype.onImportTypeChange_ = function (evt) {