Don't show 'Sign up' button if user is logged-in, on homepage.

templates/homepage.html

@@ -61,7 +61,11 @@
                 </div>
             </div>
         </div>
-        <a href="/signup/" class="button">Sign up</a>
+        {% if request.user.is_authenticated %}
+            <a href="/{{ request.user.username }}/" class="button">My snipts</a>
+        {% else %}
+            <a href="/signup/" class="button">Sign up</a>
+        {% endif %}
         <div class="faces group">
             <div class="inner">
                 {% for coder in coders %}