Diviner Book Index styles

Summary: Slightly more readable, less space than current index. LMK if you hate it though.

Test Plan: Look at user and dev book indexes.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6932

src/__celerity_resource_map__.php

@@ -1149,7 +1149,7 @@ celerity_register_resource_map(array(
   ),
   'diviner-shared-css' =>
   array(
-    'uri' => '/res/7c3cca5f/rsrc/css/diviner/diviner-shared.css',
+    'uri' => '/res/bee7ddb9/rsrc/css/diviner/diviner-shared.css',
     'type' => 'css',
     'requires' =>
     array(