add future:true

_config.yml

@@ -17,6 +17,7 @@ repository               : "academicpages/academicpages.github.io"
 teaser                   :  # filename of teaser fallback teaser image placed in /images/, .e.g. "500x300.png"
 breadcrumbs              : false # true, false (default)
 words_per_minute         : 160
+future                   : true
 read_more                : "disabled" # if enabled, adds "Read more" links to excerpts
 comments:
   provider               : # false (default), "disqus", "discourse", "facebook", "google-plus", "staticman", "custom"