add curl as an alternative to wget (#1535)
add curl as an alternative to wget (#1535)

* add curl as an alternative to wget

* pull URL out into variable

hail-is/hail,cseed/hail,danking/hail,cseed/hail,cseed/hail,danking/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,danking/hail,cseed/hail,danking/hail,danking/hail,hail-is/hail,cseed/hail,hail-is/hail,danking/hail,cseed/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,danking/hail