Update scratch-blocks, scratch-vm and scratch-storage

package.json

@@ -89,12 +89,12 @@
     "redux-throttle": "0.1.1",
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.1516198804",
-    "scratch-blocks": "0.1.0-prerelease.1516636897",
+    "scratch-blocks": "0.1.0-prerelease.1516717399",
     "scratch-l10n": "2.0.20180108132626",
     "scratch-paint": "0.1.0-prerelease.20180112204058",
-    "scratch-render": "0.1.0-prerelease.1516772701",
-    "scratch-storage": "0.3.0",
-    "scratch-vm": "0.1.0-prerelease.1516215511-prerelease.1516215524",
+    "scratch-render": "0.1.0-prerelease.1516202017",
+    "scratch-storage": "0.4.0",
+    "scratch-vm": "0.1.0-prerelease.1516804276-prerelease.1516804295",
     "selenium-webdriver": "3.5.0",
     "startaudiocontext": "1.2.1",
     "style-loader": "^0.19.0",