Updated the R1 Bruker PDC file to a newer version using "variance averaging" for the errors.
See https://mail.gna.org/public/relax-devel/2011-02/msg00066.html (Message-id: <4D63908C.5060101@...>).
This is instead of the "worst case per peak scenario" option which over estimates the errors.
Authored by: bugman 2011-02-22
Parent: [r12605]
Child: [r12607]
