Merge pull request #4083 from LLK/greenkeeper/scratch-paint-0.2.0-prerelease.20181213210237

Update scratch-paint to the latest version 

package.json

@@ -105,7 +105,7 @@
     "scratch-audio": "0.1.0-prerelease.20181023202904",
     "scratch-blocks": "0.1.0-prerelease.1544721188",
     "scratch-l10n": "3.1.20181213173343",
-    "scratch-paint": "0.2.0-prerelease.20181212232948",
+    "scratch-paint": "0.2.0-prerelease.20181213210237",
     "scratch-render": "0.1.0-prerelease.20181212233715",
     "scratch-storage": "1.2.0",
     "scratch-svg-renderer": "0.2.0-prerelease.20181213192400",