use https links instead

Author: obfuscurity

_includes/page-footer.html

@@ -26,7 +26,7 @@ <h3 class="section-subhead">Get in Touch</h3>
       <div class="page-section__column">
         <ul class="btn-group">
           <!-- <li class="btn-group__item"><a class="btn btn--outline" href="#">Live demo</a></li> -->
-          <li class="btn-group__item"><a class="btn btn--secondary" href="http://graphite.readthedocs.io/en/latest/install.html" target="_blank">Install</a></li>
+          <li class="btn-group__item"><a class="btn btn--secondary" href="https://graphite.readthedocs.io/en/latest/install.html" target="_blank">Install</a></li>
         </ul>
         <ul class="links-list links-list--margin" id="footerAnchors">
           <li class="links-list__item">

_includes/page-header.html

@@ -32,7 +32,7 @@
           </a>
         </li> -->
         <li class="site-nav__item">
-          <a class="site-nav__button btn btn--primary" href="http://graphite.readthedocs.io/en/latest/install.html" target="_blank">Install</a>
+          <a class="site-nav__button btn btn--primary" href="https://graphite.readthedocs.io/en/latest/install.html" target="_blank">Install</a>
         </li>
       </ul>
     </nav>