Fix: embeds were not rendering in PhantomJS.

Include polyfill for missing ArrayView functions.

Closes #1708.

client/app/assets/css/redash.css

@@ -4,12 +4,17 @@ body {
 
 body.headless {
   padding-top: 0px;
+  padding-bottom: 0px;
 }
 
 body.headless nav.app-header {
   display: none;
 }
 
+body.headless div#footer {
+  display: none;
+}
+
 a[ng-click] {
   cursor: pointer;
 }

client/app/index.js

@@ -1,3 +1,6 @@
+// This polyfill is needed to support PhantomJS which we use to generate PNGs from embeds.
+import 'core-js/fn/typed/array-buffer';
+
 import 'material-design-iconic-font/dist/css/material-design-iconic-font.css';
 import 'font-awesome/css/font-awesome.css';
 import 'ui-select/dist/select.css';

client/app/pages/queries/visualization-embed.html

@@ -2,7 +2,7 @@
   <div class="t-heading p-10">
     <h3 class="th-title">
       <p>
-        <img src="{{$ctrl.logoUrl}}" style="height: 24px;"/>
+        <img ng-src="{{$ctrl.logoUrl}}" style="height: 24px;"/>
         {{$ctrl.query.name}}
         <small><visualization-name visualization="$ctrl.visualization"/></small>
       </p>

package.json

@@ -33,6 +33,7 @@
     "angular-ui-bootstrap": "^2.2.0",
     "angular-vs-repeat": "^1.1.7",
     "brace": "^0.9.0",
+    "core-js": "https://registry.npmjs.org/core-js/-/core-js-2.4.1.tgz",
     "cornelius": "git+https://github.com/restorando/cornelius.git",
     "d3": "^3.5.17",
     "d3-cloud": "^1.2.1",