half mentors updated, few requires images and description

_layouts/post.html

@@ -1,10 +1,10 @@
----
-layout: default
----
-
-<div class="page">
-    {%- assign date_format = "%F" -%}
-    <h1>{{ page.title | escape }}</h1>
-    <h5> {{ page.date | date: date_format }}</h5>
-  {{ content }}
-</div>
+---
+layout: default
+---
+
+<div class="page">
+    {%- assign date_format = "%F" -%}
+    <h1>{{ page.title | escape }}</h1>
+    <h5> {{ page.date | date: date_format }}</h5>
+  {{ content }}
+</div>