index.html

Added "Give Feedback" button that links to "new issue" site at github.

Author: tworide

index.html

@@ -151,6 +151,8 @@ <h2>Get involved. <span class="muted">Join a open and friendly community.</span>
             Devilry. Do not hesitate to jump onboard if you eager to ease the daily
             tasks for students, teachers and administrators. 
         </p>
+        <p><a class="btn btn-info"
+        href="https://github.com/devilry/devilry-django/issues/new">Give Feedback</a></p>
     </div>
 
     <hr class="featurette-divider" id="about">