housekeeping: branding updates (via #5084)

* new favicons

* lockfile

* update logo

* styling changes

* remove url-loader 10K limit

make-webpack-config.js

@@ -37,7 +37,7 @@ var commonRules = [
   { test: /\.(txt|yaml)(\?.*)?$/,
     loader: "raw-loader" },
   { test: /\.(png|jpg|jpeg|gif|svg)(\?.*)?$/,
-    loader: "url-loader?limit=10000" },
+    loader: "url-loader" },
   { test: /\.(woff|woff2)(\?.*)?$/,
     loader: "url-loader?limit=100000" },
   { test: /\.(ttf|eot)(\?.*)?$/,