- As lcdf-typetools does not support kpathsea nor search below
texmf tree build the texlive-lcdftypetools(-bin) packages again
and let them conflict with the lcdf-typetools package.

- Asymptote binaries may have the same version as the format files
of the asymptote package it self (bnc#813032)

- Change Obsoletes from < 2012+subversion to <= 2011 (bnc#811162)
- Let mathdesign require tex(texnansi.enc) (bnc#808731)
- Let biber-bin require perl(Text::BibTeX) (bnc#811258)
- Do not require xfs as we do not use xfs at all, otherwise we
have to add some more lua code in the %post scriptlet.

- Avoid doubling mktex.opt content with excessive patch which had
lead that the original content overrides the new one (bnc#801727)