Fixed broken link, and added copy to the mailing lists describing the difference between them.
Fixed broken link, and added copy to the mailing lists describing the difference between them.

cdapio/tigon,cdapio/tigon,caskdata/tigon,caskdata/tigon,caskdata/tigon,caskdata/tigon,caskdata/tigon,cdapio/tigon,cdapio/tigon,caskdata/tigon,cdapio/tigon,cdapio/tigon,cdapio/tigon,cdapio/tigon,caskdata/tigon,caskdata/tigon