fix tumblr cheerio usage

Author: nleush

plugins/domains/tumblr.com/tumblr.photo.js

@@ -26,8 +26,7 @@ export default {
         tumblr_post.photos.forEach(function(photo) {
 
             var title = photo.caption || tumblr_post.caption;
-            // TODO: fix using cheerio
-            title = cheerio('<div>').html(title).text();
+            title = cheerio.load(title).text();
             if (title && title.length > 160) {
                 title = title.split(/[.,!?]/)[0];
             }

plugins/domains/tumblr.com/tumblr.video.js

@@ -24,12 +24,9 @@ export default {
 
             var p = tumblr_post.player instanceof Array ? tumblr_post.player[0] : tumblr_post.player;
 
-            // TODO: fix using cheerio
-            var $c = cheerio('<div>').append(p.embed_code);
-            var $iframe = $c.find('iframe');
+            var $iframe = cheerio.load(p.embed_code)('iframe');
 
             if ($iframe.length) {
-
                 return {
                     __promoUri: {
                         url: $iframe.attr('src'),