added Apache License file
added Apache License file

mlc0202/javaee7-jms-websocket-example,brunoborges/javaee7-jms-websocket-example,brunoborges/javaee7-jms-websocket-example,mlc0202/javaee7-jms-websocket-example,mlc0202/javaee7-jms-websocket-example