added slack to winston

@@ -6,6 +6,7 @@ var mergeDefaults = require('merge-defaults')
 var winston = require('winston')
 var winstonMongoDB = require('winston-mongodb')
 var winstonHipchat = require('winston-hipchat')
+var winstonSlack = require('winston-slack')
 
 exports = module.exports = function(settings) {
 
@@ -49,6 +50,11 @@ exports = module.exports = function(settings) {
       new winstonHipchat.Hipchat(settings.hipchat)
     )
 
+  if (settings.logger.slack)
+    transports.push(
+      new winstonSlack.Slack(settings.slack)
+    )
+
   var logger = new winston.Logger({
     transports: transports
   })

@@ -41,7 +41,8 @@
     "update-notifier": "^0.2.0",
     "winston": "git://github.com/niftylettuce/winston",
     "winston-hipchat": "^0.1.1",
-    "winston-mongodb": "~0.4.3"
+    "winston-mongodb": "~0.4.3",
+    "winston-slack": "^0.1.6"
   },
   "devDependencies": {
     "chai": "^1.9.1",