Very basic Phriction history view

Summary: Provide a (mostly useless, currently) table of document edits.
Test Plan: Looked at document history for several of my high-quality sandbox
wiki pages.
Reviewed By: hsb
Reviewers: hsb, codeblock, jungejason, aran, tuomaspelkonen
CC: aran, hsb
Differential Revision: 644

src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php

@@ -347,6 +347,9 @@ class AphrontDefaultApplicationConfiguration
       '/w/(?P<slug>.+/)$' => 'PhrictionDocumentController',
 
       '/phriction/' => array(
+        'history(?P<slug>/)$'     => 'PhrictionHistoryController',
+        'history/(?P<slug>.+/)$'  => 'PhrictionHistoryController',
+
         'edit/(?:(?P<id>\d+)/)?$' => 'PhrictionEditController',
       ),
     );