adds grunt copy to package.json
adds grunt copy to package.json

Stackato-Apps/RabbitMQSimulator,adrianzhang/RabbitMQSimulator,RabbitMQSimulator/RabbitMQSimulator,Stackato-Apps/RabbitMQSimulator,RabbitMQSimulator/RabbitMQSimulator,adrianzhang/RabbitMQSimulator