retweaking travis settings
retweaking travis settings

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