use remote api to fetch featured names

js/lbry.js

@@ -245,6 +245,21 @@ lbry.getCostInfoForName = function(name, callback, errorCallback) {
   });
 }
 
+lbry.getFeaturedDiscoverNames = function(callback) {
+  return new Promise(function(resolve, reject) {
+    var xhr = new XMLHttpRequest;
+    xhr.open('GET', 'https://api.lbry.io/discover/list', true);
+    xhr.onload = () => {
+      if (xhr.status === 200) {
+        resolve(JSON.parse(xhr.responseText));
+      } else {
+        reject(Error('Failed to fetch featured names.'));
+      }
+    };
+    xhr.send();
+  });
+}
+
 lbry.getFileStatus = function(name, callback) {
   lbry.call('get_lbry_file', { 'name': name }, callback);
 }

js/page/discover.js

@@ -65,20 +65,26 @@ var featuredContentLegendStyle = {
 };
 
 var FeaturedContent = React.createClass({
+  getInitialState: function() {
+    return {
+      featuredNames: [],
+    };
+  },
+  componentWillMount: function() {
+    lbry.getFeaturedDiscoverNames().then((featuredNames) => {
+      this.setState({ featuredNames: featuredNames });
+    });
+  },
   render: function() {
     const toolTipText = ('Community Content is a public space where anyone can share content with the ' +
                         'rest of the LBRY community. Bid on the names "one," "two," "three," "four" and ' +
                         '"five" to put your content here!');
+
     return (
       <div className="row-fluid">
         <div className="span6">
           <h3>Featured Content</h3>
-          <FileTile name="coherence" />
-          <FileTile name="itsadisaster" />
-          <FileTile name="mikehill-blockbuster" />
-          <FileTile name="bellflower" />
-          <FileTile name="cinemasix" />
-
+          { this.state.featuredNames.map((name) => { return <FileTile key={name} name={name} /> }) }
         </div>
         <div className="span6">
           <h3>