Enable Pygments pre Jekyll 2.0

- GitHub Pages doesn't support highlighter: pygments, wait to switch

Author: mmistakes

_config.yml

@@ -45,7 +45,8 @@ links:
 # http://en.wikipedia.org/wiki/List_of_tz_database_time_zones
 timezone:    America/New_York
 future:      true
-highlighter: pygments
+pygments:    true
+#highlighter: pygments
 markdown:    kramdown
 
 # https://github.com/mojombo/jekyll/wiki/Permalinks