Merge pull request #1285 from rschamp/update-vm

Update scratch-vm to the latest version

package.json

@@ -94,7 +94,7 @@
     "scratch-paint": "0.1.0-prerelease.20180112204058",
     "scratch-render": "0.1.0-prerelease.1516202017",
     "scratch-storage": "0.3.0",
-    "scratch-vm": "0.1.0-prerelease.1516201958-prerelease.1516201973",
+    "scratch-vm": "0.1.0-prerelease.1516205298-prerelease.1516205311",
     "selenium-webdriver": "3.5.0",
     "startaudiocontext": "1.2.1",
     "style-loader": "^0.19.0",