Log Redis connection errors instead of crashing

lib/adapters/redis2.js

@@ -42,6 +42,9 @@ exports.initialize = function initializeSchema(schema, callback) {
             }
         }
     });
+    schema.client.on('error', function (error) {
+        console.log(error);
+    })
 
     var clientWrapper = new Client(schema.client);