fix newrelic.coffee

The Newrelic script didn't work (at least on our new hubot). Afaict this was happening because of variables being referenced out of scope.

This fixed it for us.

Author: bru

src/scripts/newrelic.coffee

@@ -22,8 +22,10 @@
 # Author:
 #   briandoll
 
+Parser = require("xml2js").Parser
+
 module.exports = (robot) ->
-  fetchData = (appId) ->
+  fetchData = (accountId, appId, apiKey, msg) ->
     msg.http("https://rpm.newrelic.com/accounts/#{accountId}/applications/#{appId}/threshold_values?api_key=#{apiKey}")
       .get() (err, res, body) ->
         if err
@@ -41,6 +43,5 @@ module.exports = (robot) ->
     accountId = process.env.HUBOT_NEWRELIC_ACCOUNT_ID
     appIds     = process.env.HUBOT_NEWRELIC_APP_ID.split(',')
     apiKey    = process.env.HUBOT_NEWRELIC_API_KEY
-    Parser = require("xml2js").Parser
-    fetchData(appId) for appId in appIds
+    fetchData(accountId, appId, apiKey, msg) for appId in appIds