Fix links to BootstrapCDN

Fix #9860

src/_includes/footer.html

@@ -25,7 +25,7 @@
       Documentation licensed under <a href="{{ site.fontawesome.license.documentation.url }}">{{ site.fontawesome.license.documentation.version }}</a>
     </div>
     <div>
-      Thanks to <a href="http://tracking.maxcdn.com/c/148092/3982/378/"><i class="fa fa-maxcdn"></i> MaxCDN</a> for providing the excellent <a href="http://www.bootstrapcdn.com/#fontawesome_tab">BootstrapCDN for Font Awesome</a>
+      Thanks to <a href="http://tracking.maxcdn.com/c/148092/3982/378/"><i class="fa fa-maxcdn"></i> MaxCDN</a> for providing the excellent <a href="https://www.bootstrapcdn.com/fontawesome/">BootstrapCDN for Font Awesome</a>
     </div>
     <div class="project">
       <a href="{{ site.fontawesome.github.url }}">GitHub Project</a> &middot;

src/_includes/thanks-to.html

@@ -18,7 +18,7 @@
     <div class="col-md-4 col-sm-4">
       <p>
         Thanks to <a href="http://tracking.maxcdn.com/c/148092/3982/378"><i class="fa fa-maxcdn" aria-hidden="true">&nbsp;</i>MaxCDN</a> for providing the excellent
-        <a href="http://www.bootstrapcdn.com/#fontawesome_tab">BootstrapCDN</a>, the fastest and easiest way to
+        <a href="https://www.bootstrapcdn.com/fontawesome/">BootstrapCDN</a>, the fastest and easiest way to
         <a href="{{ page.relative_path }}get-started/#bootstrapcdn">get started</a> with Font Awesome.
       </p>
     </div>