trying new settings suggested by jsuereth
trying new settings suggested by jsuereth

phdezann/heroku-buildpack-scala,shunjikonishi/heroku-buildpack-scala-compiled,heroku/heroku-buildpack-scala,KimStebel/heroku-buildpack-scala,shunjikonishi/heroku-buildpack-scala-compiled,Scalingo/scala-buildpack,Luze26/heroku-buildpack-scala,hpcloud/heroku-buildpack-scala,Javilete/buildpack,Javilete/buildpack,agideon/heroku-buildpack-scala,yannickdeturck/heroku-buildpack-scala,Luze26/heroku-buildpack-scala,yannickdeturck/heroku-buildpack-scala,hpcloud/heroku-buildpack-scala,KimStebel/heroku-buildpack-scala,Scalingo/scala-buildpack,phdezann/heroku-buildpack-scala,heroku/heroku-buildpack-scala,agideon/heroku-buildpack-scala