fixed missing winston

src/database.js

@@ -1,12 +1,13 @@
 
 
 var nconf = require('nconf'),
-	databaseType = nconf.get('database');
+	databaseType = nconf.get('database'),
+	winston = require('winston');
 
-	if(!databaseType) {
+if(!databaseType) {
-		winston.info('Database type not set! Run npm app --setup');
+	winston.info('Database type not set! Run npm app --setup');
-		process.exit();
+	process.exit();
-	}
+}
 
 var db = require('./database/' + databaseType);