Add draft restructured-text plugin, minor heroku cleanup.

plugins/heroku.lisp

@@ -1,5 +1,5 @@
 (eval-when (:compile-toplevel :load-toplevel)
-  (ql:quickload '(hunchentoot)))
+  (ql:quickload 'hunchentoot))
 
 (defpackage :coleslaw-heroku
   (:use :cl)

plugins/pygments.lisp

@@ -1,2 +0,0 @@
-(in-package :coleslaw)
-

plugins/restructured-text.lisp

@@ -2,6 +2,16 @@
   (ql:quickload 'docutils))
 
 (defpackage :coleslaw-rst
-  (:use :cl :coleslaw))
+  (:use :cl)
+  (:import-from :coleslaw #:render-content)
+  (:import-from :cl-docutils #:read-rst
+                             #:write-html)
+  (:export #:enable))
 
 (in-package :coleslaw-rst)
+
+(defmethod render-content (text (format (eql :rst)))
+  (with-output-to-string (str)
+    (write-html str (read-rst text))))
+
+(defun enable ())