added a script to use for publishing new versions of the buildpack
added a script to use for publishing new versions of the buildpack

noncreativetype/sms,kimonocloud/natsu-buildpack-java,Vincit/heroku-buildpack-java-nodejs,kimonocloud/natsu-buildpack-java,Scalingo/java-buildpack,Parlio/heroku-buildpack-java,Scalingo/java-buildpack,Vincit/heroku-buildpack-java-nodejs,RaymondKroon/heroku-buildpack-vertx,heroku/heroku-buildpack-java,neilgandhi/heroku-buildpack-java,franciscocpg/heroku-buildpack-java,wishtack/heroku-buildpack-java,noncreativetype/sms,JIoJIaJIu/heroku-buildpack-java,neilgandhi/heroku-buildpack-java,hpcloud/heroku-buildpack-java,wishtack/heroku-buildpack-java,hpcloud/heroku-buildpack-java,bluebreezecf/heroku-buildpack-java,bluebreezecf/heroku-buildpack-java,RaymondKroon/heroku-buildpack-vertx,JIoJIaJIu/heroku-buildpack-java,heroku/heroku-buildpack-java,franciscocpg/heroku-buildpack-java,Parlio/heroku-buildpack-java,noncreativetype/sms