more layout woes

[Angus Leeming]

latest cvs (with Lars fail-gracefully patches):

aleem@pneumon:devel-> src/lyx
LyX: unable to find documentation file `UserGuide'. Bad installation?
Layout 'LaTeX' does not exist in textclass 'book'.
We failed to find the layout 'LaTeX' in the layout list. You MUST investigate!
Resources lost(coredump)