Do a lot of little modification (remove most of unused comments)

templates/view_blog.html

@@ -2,6 +2,9 @@
 
 {% block content %}
 <a href="/blog/{{ blog.id }}?page=0">Home</a> <a href="/category/{{ blog.id }}">Categories</a> <a href="/tag/{{ blog.id }}">Tags</a>
+{% if edited %}
+<p class="edited">Blog successfuly updated</p>
+{% endif %}
 {% if user.is_superuser %}
 <form action="/blog/edit/{{ blog.id }}" method="post">
 {% csrf_token %}