Merge pull request #1290 from LLK/develop

Fix TextEncoder bug to fix Edge

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.1516205298-prerelease.1516205311",
+    "scratch-vm": "0.1.0-prerelease.1516210259-prerelease.1516210276",
     "selenium-webdriver": "3.5.0",
     "startaudiocontext": "1.2.1",
     "style-loader": "^0.19.0",