[tex-live] iso images notes

[Kaja P. Christiansen]

 > BTW, when it's finalized, the documentation will have to be updated,
 > since I state in there now that -CJK is the only difference.  (I wish I
 > could autogenerate the difference, but turning the diff of live.scheme
 > and full.scheme into usable text defeated me.)

We could have meaningful diffs if schemes/*.tpm files used the same line 
breaking mechanism (preferably unix way, like in the current live.scheme).

Kaja