Revert "update Herd URL"
Revert "update Herd URL"

This reverts commit e0675857e6d64af9c252bc40f667862c7a27ecc9.

gijsleussink/ceylon,gijsleussink/ceylon,gijsleussink/ceylon,gijsleussink/ceylon,gijsleussink/ceylon