Switch to released version of pygments.rb

Gemfile.lock

@@ -1,11 +1,3 @@
-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)
-
 GIT
   remote: git://github.com/tent/tent-schemas.git
   revision: 9f4b86aac5a0b35e42d24c392b12fdbfdc7b789a
@@ -19,14 +11,12 @@ GEM
   specs:
     adsf (1.1.1)
       rack (>= 1.0.0)
-    blankslate (2.1.2.4)
     builder (3.1.1)
     clogger (1.1.0)
       rack (> 0.9)
     colored (1.2)
     cri (2.3.0)
       colored (>= 1.2)
-    ffi (1.0.11)
     fssm (0.2.9)
     json-schema (1.0.9)
     mime-types (1.19)
@@ -35,20 +25,22 @@ GEM
     nanoc-cachebuster (0.3.1)
       nanoc (>= 3.3.0)
     nokogiri (1.5.5)
+    posix-spawn (0.3.6)
     puma (1.6.3)
       rack (~> 1.2)
+    pygments.rb (0.3.1)
+      posix-spawn (~> 0.3.6)
+      yajl-ruby (~> 1.1.0)
     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 (1.3.0)
       temple (~> 0.4.1)
       tilt (~> 1.3.3)
     temple (0.4.1)
     tilt (1.3.3)
+    yajl-ruby (1.1.0)
 
 PLATFORMS
   ruby
@@ -63,7 +55,7 @@ DEPENDENCIES
   nanoc-cachebuster
   nokogiri
   puma
-  pygments.rb!
+  pygments.rb
   rack
   rack-rewrite
   rainpress