Move repo URL into config file

_config.yml

@@ -5,6 +5,7 @@ description: >
 author: Jim Myhrberg
 hostname: commonflow.org
 url: https://commonflow.org
+repo_url: https://github.com/jimeh/common-flow
 
 current_version: 1.0.0-rc.4
 versions:

_layouts/default.html

@@ -37,7 +37,7 @@
           </ul>
         </div>
         <div class="links">
-          <a href="https://github.com/jimeh/common-flow">
+          <a href="{{ site.repo_url }}">
             <i class="fa fa-github" aria-hidden="true"></i>
           </a>
         </div>