Merge pull request #74 from researchsoft/ananke

change `layouts/index.html`  to render images on the UI.

layouts/index.html

@@ -2,6 +2,7 @@
 {{ range (where .Site.Pages "Section" "_index") }}
 <article>
     <h1>{{ .Title }}</h1>
+    <img src="{{ .Params.asset.image }}" alt="{{ .Params.asset.text }}">
     <div>{{ .Content }}</div>
 </article>
 {{ end }}