Increase webhooks payload limit

app.js

@@ -22,8 +22,8 @@ app.use(logger('dev'));
 app.use(sendHelper());
 
 // If we should be listening for webhooks, add the route before the json body parser so we get the raw bodies.
-// Note also that the GitHub doc says events are capped at 5mb
-app.use('/webhook', bodyParser.raw({ limit: '5mb', type: '*/*' }), require('./routes/webhook')(service, config.get('CRAWLER_WEBHOOK_SECRET')));
+// Note also that the GitHub doc says events are capped at 25mb
+app.use('/webhook', bodyParser.raw({ limit: '25mb', type: '*/*' }), require('./routes/webhook')(service, config.get('CRAWLER_WEBHOOK_SECRET')));
 // It's safe to set limitation to 2mb.
 app.use(bodyParser.json({ limit: '2mb' , strict: false}));
 app.use('/status', require('./routes/status')(service));