perf(setDimensions): Avoid execution of setDimensions more than once.

Author: ritz078

Gruntfile.js

@@ -92,7 +92,7 @@ <h1>Loading embed.js in a block</h1>
 
     x.text().then(function(data) {
         console.log(data)
-    })
+    });
 
 
     EmbedJS.applyEmbedJS(".block").then(function(data) {

demo/index.html

@@ -72,7 +72,7 @@
     "rollup": "^0.25.1",
     "rollup-plugin-babel": "^2.3.9",
     "rollup-plugin-commonjs": "^2.2.0",
-    "rollup-plugin-filesize": "^0.1.1",
+    "rollup-plugin-filesize": "^0.2.1",
     "rollup-plugin-npm": "^1.3.0",
     "rollup-plugin-replace": "^1.1.0",
     "rollup-plugin-uglify": "^0.1.0"