Fix bug in post layout gdgmanagua#28 and remove img from about demo gdgmanagua#27

Author: oscarmcm

_layouts/default.html

@@ -16,10 +16,8 @@
       {% include header.html %}
     {% endif %}
 
-      <main class="mdl-layout__content">
-        {{ content }}
-        {% include footer.html %}
-      </main>
+    {{ content }}
+    {% include footer.html %}
 
     </div>
     <!-- /End Layout -->

_layouts/page.html

@@ -13,6 +13,12 @@ <h3>{{ page.title }}</h3>
       <article class="post-content">
         <p>{{ content }}</p>
       </article>
+      {% if site.disqus %}
+      <div>
+        <h3>Comments</h3>
+          {% include disqus.html %}
+      </div>
+      {% endif %}
     </div>
   </div>
 </main>

_sass/_post.scss

@@ -11,6 +11,8 @@
 
 .post-main {
   margin-top: -35vh;
+  -webkit-flex-shrink: 0;
+  -ms-flex-negative: 0;
   flex-shrink: 0;
 
   .post-container {
@@ -28,7 +30,7 @@
       margin-top: 48px;
     }
   }
-  
+
   .post-content {
     img {
       width: 100%;

about.md

@@ -61,10 +61,6 @@ If you want to contribute to this project, please read the [CONTRIBUTING](https:
     git push -u origin feature_branch
     # Send a pull request for your feature branch
 
-###### Team
-[![Oscar Cortez](https://avatars.githubusercontent.com/u/2553459?v=3&s=100)](http://github.com/oscarmcm)
-[![Byron Corrales](https://avatars.githubusercontent.com/u/99616?v=3&s=100)](https://github.com/byroncorrales)
-
 ###### License
 Licensed under the Apache 2.0 license.