Removed build number from jdk8 url
Removed build number from jdk8 url

jcf/heroku-buildpack-jvm-common,pwalczak/testagapw,heroku/heroku-buildpack-jvm-common,Scalingo/jvm-common-buildpack,Scalingo/jvm-common-buildpack,pwalczak/testagapw,heroku/heroku-buildpack-jvm-common,jcf/heroku-buildpack-jvm-common