use curl to download
shut up curl
md5sum
ouch ouch ouch
no md5sum
Merge branch 'master' into dl-curl
use Get-Date instead of date from MSYS
use Get-Date
download gzipped ISO file
change artifact URL -- REVERT THIS!!!
Revert "change artifact URL -- REVERT THIS!!!"

This reverts commit 0fbef57bb143b355622f00e6981625da59a6b4be.
Revert "Revert "change artifact URL -- REVERT THIS!!!""

This reverts commit b04001292e158075195d07d599c8fd21bb8147c1.
Merge branch 'dl-curl-gzip'