Update links to support HTTPS

_config.yml

@@ -43,7 +43,7 @@ google_analytics:
 
 # Your website URL (e.g. http://barryclark.github.io or http://www.barryclark.co)
 # Used for Sitemap.xml and your RSS feed
-url: http://rushstack.io
+url: https://rushstack.io
 
 # If you're hosting your site at a Project repository on GitHub pages
 # (http://yourusername.github.io/repository-name)