update svg renderer

Author: DD Liu

package.json

@@ -109,10 +109,10 @@
     "scratch-audio": "0.1.0-prerelease.20190114210212",
     "scratch-l10n": "3.5.20190813223429",
     "scratch-blocks": "0.1.0-prerelease.1565724757",
-    "scratch-paint": "0.2.0-prerelease.20190807143414",
-    "scratch-render": "0.1.0-prerelease.20190819154958",
+    "scratch-paint": "0.2.0-prerelease.20190822205009",
+    "scratch-render": "0.1.0-prerelease.20190822204747",
     "scratch-storage": "1.3.2",
-    "scratch-svg-renderer": "0.2.0-prerelease.20190820171249",
+    "scratch-svg-renderer": "0.2.0-prerelease.20190822194548",
     "scratch-vm": "0.2.0-prerelease.20190822194548",
     "selenium-webdriver": "3.6.0",
     "startaudiocontext": "1.2.1",