added port to connection config

lib/dialects/mssql/connection-manager.js

@@ -44,6 +44,7 @@ ConnectionManager.prototype.connect = function(config) {
         user: connectionConfig.user,
         password: connectionConfig.password,
         server: connectionConfig.host,
+        port: connectionConfig.port,
         database: connectionConfig.database,
         pool: {
           max: config.max,