Update list of known platforms where GSL was successfully tested
Update list of known platforms where GSL was successfully tested

garyfurnish/GSL,kevgs/GSL,vladon/GSL,nguarracino/GSL,trebconnell/GSL,s8435330song/GSL,matus-chochlik/GSL,john-lynch/GSL,Josaphat/GSL,jbcoe/GSL,kernhanda/GSL,neilmacintosh/GSL,eteran/GSL,martinmoene/GSL,bashrc-real/GSL