meta description should be name, not property (#989)

* meta description should be name, not property

* change postsummary h1 to h3

app/components/cards/PostSummary.jsx

@@ -109,13 +109,13 @@ class PostSummary extends React.Component {
         let content_body = <div className="PostSummary__body entry-content">
             <a href={title_link_url} onClick={e => navigate(e, onClick, post, title_link_url)}>{desc}</a>
         </div>;
-        let content_title = <h1 className="entry-title">
+        let content_title = <h3 className="entry-title">
             <a href={title_link_url} onClick={e => navigate(e, onClick, post, title_link_url)}>
                 {isNsfw && <span className="nsfw-flag">nsfw</span>}
                 {title_text}
                 {full_power && <span title="Powered Up 100%"><Icon name="steem" /></span>}
             </a>
-        </h1>;
+        </h3>;
 
         // author and category
         let author_category = <span className="vcard">

app/components/cards/PostSummary.scss

@@ -68,7 +68,7 @@ ul.PostsList__summaries {
 }
 
 .PostSummary__header {
-  > h1 {
+  > h3 {
     font: 600 100% "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", Geneva, Arial, sans-serif;
     margin: 0;
     overflow: hidden;

app/utils/ExtractMeta.js

@@ -5,7 +5,7 @@ const site_desc = 'Steemit is a social media platform where everyone gets paid f
 
 function addSiteMeta(metas) {
     metas.push({title: 'Steemit'});
-    metas.push({property: 'description', content: site_desc});
+    metas.push({name: 'description', content: site_desc});
     metas.push({property: 'og:type', content: 'website'});
     metas.push({property: 'og:site_name', content: 'Steemit'});
     metas.push({property: 'og:title', content: 'Steemit'});