Tidying up home page and footer

_config.yml

@@ -1,12 +1,13 @@
 title: Teaching Software Carpentry
 email: [email protected]
 description: >
-  Software Carpentry is a volunteer organization whose goal is to make
-  scientists more productive, and their work more reliable, by teaching them
-  basic computing skills.
+  Software Carpentry is a volunteer organization
+  that teaches researchers how to get more done with computers
+  in less time and with less pain.
 baseurl: "/training-course"
 twitter_username: swcarpentry
 github_username: swcarpentry
+github_projectname: training-course
 
 collections:
   submissions:

_includes/footer.html

@@ -12,18 +12,14 @@
       </div>
       <div class="col-md-4">
         <ul class="fa-ul">
-          {% if site.github_username %}
           <li>
             <i class="fa-li fa fa-github"></i>
-            <a href="https://github.com/{{ site.github_username }}">{{ site.github_username }}</a>
+            <a href="https://github.com/{{ site.github_username }}/{{ site.github_projectname }}">{{ site.github_username }}/{{ site.github_projectname }}</a>
           </li>
-          {% endif %}
-          {% if site.twitter_username %}
           <li>
             <i class="fa-li fa fa-twitter"></i>
             <a href="https://twitter.com/{{ site.twitter_username }}">{{ site.twitter_username }}</a>
           </li>
-          {% endif %}
         </ul>
       </div>
       <div class="col-md-4">

index.md

@@ -13,5 +13,5 @@ You don't need to be an expert programmer to take part: in fact, we prefer instr
 Our Sept-Dec 2014 and Jan-Apr 2015 offerings are now full, but there are spaces available for May-Aug 2015.
 
 [1]: http://software-carpentry.org
-[2]: http://software-carpentry.org/badges/#instructor-badge
+[2]: http://software-carpentry.org/pages/team.html
 [3]: http://software-carpentry.org/conduct.html