Add task to generate jar for testing
Add task to generate jar for testing

robertsmieja/litle-sdk-for-java,Vantiv/litle-sdk-for-java,rezangit/litle-sdk-for-java,LitleCo/litle-sdk-for-java,Vantiv/litle-sdk-for-java,StevenOAG/litle-sdk-for-java