Merge pull request #3246 from LLK/greenkeeper/text-encoding-0.7.0

Update text-encoding to the latest version 

package.json

@@ -107,7 +107,7 @@
     "startaudiocontext": "1.2.1",
     "style-loader": "^0.23.0",
     "svg-to-image": "1.1.3",
-    "text-encoding": "0.6.4",
+    "text-encoding": "0.7.0",
     "to-style": "1.3.3",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "wav-encoder": "1.3.0",