Clean up redis store

TODO

@@ -1,5 +1,4 @@
 cache headers for static assets
-make redis connection into a separate method
 
 tests
 

lib/redis_document_store.js

@@ -2,9 +2,14 @@ var redis = require('redis');
 var winston = require('winston');
 var hashlib = require('hashlib');
 
-// TODO move to a different method (conn)
 var RedisDocumentStore = function(options) {
   if (!RedisDocumentStore.client) {
+    RedisDocumentStore.connect(options);
+  }
+};
+
+// Create a connection according to config
+RedisDocumentStore.connect = function(options) {
   var host = options.host || '127.0.0.1';
   var port = options.port || 6379;
   var index = options.db || 0;
@@ -18,7 +23,6 @@ var RedisDocumentStore = function(options) {
       winston.info('connected to redis on ' + host + ':' + port + '/' + index);
     }
   });
-  }
 };
 
 // Save file in a key