Make spec.format properties case-insensitive
Make spec.format properties case-insensitive

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