Merge pull request cfpb#27 from cfarm/pygments

update pygments config

Author: ascott1

_config.yml

@@ -2,7 +2,7 @@
 permalink: /:title
 exclude: [".rvmrc", ".rbenv-version", "README.md", "Rakefile", "changelog.md"]
 markdown: kramdown
-pygments: true
+highlighter: pygments
 
 # Title
 name: DOCter
@@ -45,4 +45,4 @@ repos:
   url: https://github.com/cfpb/DOCter
 
 # Style Variables
-brand_color: "#2cb34a"
+brand_color: "#2cb34a"