added stokes in jiix export

Author: torebo

examples/non-version-specific/programmatic_init.html

@@ -47,6 +47,12 @@
                                     left: 10,
                                     right: 10
                                 }
+                            },
+                            export: {
+                                jiix: {
+                                    'bounding-box': true,
+                                    'strokes': true
+                                }
                             }
                         }
                     }