Merge pull request #3424 from LLK/greenkeeper/scratch-vm-0.2.0-prerelease.20181018161118

Update scratch-vm to the latest version 

package.json

@@ -104,7 +104,7 @@
     "scratch-render": "0.1.0-prerelease.20181017195657",
     "scratch-storage": "1.0.5",
     "scratch-svg-renderer": "0.2.0-prerelease.20181017193458",
-    "scratch-vm": "0.2.0-prerelease.20181017214556",
+    "scratch-vm": "0.2.0-prerelease.20181018161118",
     "selenium-webdriver": "3.6.0",
     "startaudiocontext": "1.2.1",
     "style-loader": "^0.23.0",