Revert "Switch to albino for now, pygments.rb is segfaulting on heroku"

This reverts commit 3dcb9cd05d.

Gemfile

@@ -13,5 +13,5 @@ gem 'mime-types'
 gem 'rack'
 gem 'puma'
 gem 'rack-rewrite'
-gem 'albino'
+gem 'pygments.rb', :git => 'git://github.com/akzhan/pygments.rb.git', :branch => 'rubypython-0.6'
 gem 'clogger'

Gemfile.lock

@@ -1,29 +1,39 @@
+GIT
+  remote: git://github.com/akzhan/pygments.rb.git
+  revision: dfa0d936da40f25e249a7d20f895e6d4cab72b50
+  branch: rubypython-0.6
+  specs:
+    pygments.rb (0.2.12)
+      rubypython (~> 0.6.1)
+
 GEM
   remote: http://rubygems.org/
   specs:
     adsf (1.1.1)
       rack (>= 1.0.0)
-    albino (1.3.3)
-      posix-spawn (>= 0.3.6)
+    blankslate (2.1.2.4)
     builder (3.0.0)
     clogger (1.1.0)
       rack (> 0.9)
     colored (1.2)
     cri (2.3.0)
       colored (>= 1.2)
+    ffi (1.0.11)
     mime-types (1.19)
     nanoc (3.4.0)
       cri (~> 2.2)
     nanoc-cachebuster (0.3.1)
       nanoc (>= 3.3.0)
     nokogiri (1.5.5)
-    posix-spawn (0.3.6)
     puma (1.6.1)
       rack (~> 1.2)
     rack (1.4.1)
     rack-rewrite (1.2.1)
     rainpress (1.0)
     redcarpet (2.1.1)
+    rubypython (0.6.2)
+      blankslate (>= 2.1.2.3)
+      ffi (~> 1.0.7)
     slim (1.2.2)
       temple (~> 0.4.0)
       tilt (~> 1.3.3)
@@ -35,7 +45,6 @@ PLATFORMS
 
 DEPENDENCIES
   adsf
-  albino
   builder
   clogger
   mime-types
@@ -43,6 +52,7 @@ DEPENDENCIES
   nanoc-cachebuster
   nokogiri
   puma
+  pygments.rb!
   rack
   rack-rewrite
   rainpress

lib/markdown_html.rb

@@ -1,10 +1,12 @@
-require 'albino'
+require 'pygments.rb'
+
+RubyPython.start python_exe: 'python2.6' if ENV['RACK_ENV'] == 'production'
 
 class MarkdownHTML < Redcarpet::Render::HTML
   include Redcarpet::Render::SmartyPants
 
   def block_code(code, language)
-    language ? Albino.colorize(code, language) : code
+    Pygments.highlight(code, lexer: language)
   end
 
   def table(header, body)