[tex-live] TEXINPUTS, pdfTeX and texmf.cnf

[Sebastian Rahtz]

> 
> 1. Change the catch-all TEXINPUTS into
> 
> TEXINPUTS =                     .;$TEXMF/{tex,pdftex}/{generic,}//

I hate a make a change like this the day before freeze-time, unless
we are 100% sure its foolproof. Who else thinks we should do it now?

Sebastian