Add agent to the possible meta keywords.

roidrage · roidrage · commit 1dc2c3dc9842 · 2013-05-04T09:12:06.000+02:00
Allows setting up a custom HTTP agent.
diff --git a/lib/meta.js b/lib/meta.js
@@ -215,7 +215,8 @@ Meta.keywords = [
   'date',
   'operation',
   'pool',
-  '_pool'
+  '_pool',
+  'agent'
 ]
 
 module.exports = Meta;
