Add info for jdk@8u73 (#4137)
Add info for jdk@8u73 (#4137)

* Fix ordering of versions (proper!)

* Add url/digest for jdk@8u73

iulian787/spack,EmreAtes/spack,skosukhin/spack,mfherbst/spack,mfherbst/spack,skosukhin/spack,lgarren/spack,tmerrick1/spack,lgarren/spack,EmreAtes/spack,matthiasdiener/spack,TheTimmy/spack,lgarren/spack,LLNL/spack,EmreAtes/spack,krafczyk/spack,skosukhin/spack,krafczyk/spack,TheTimmy/spack,iulian787/spack,krafczyk/spack,lgarren/spack,tmerrick1/spack,tmerrick1/spack,iulian787/spack,LLNL/spack,iulian787/spack,LLNL/spack,krafczyk/spack,matthiasdiener/spack,krafczyk/spack,tmerrick1/spack,matthiasdiener/spack,LLNL/spack,matthiasdiener/spack,TheTimmy/spack,iulian787/spack,TheTimmy/spack,skosukhin/spack,skosukhin/spack,tmerrick1/spack,TheTimmy/spack,mfherbst/spack,EmreAtes/spack,LLNL/spack,EmreAtes/spack,lgarren/spack,mfherbst/spack,matthiasdiener/spack,mfherbst/spack