Update README file with text from the new web page.
Update README file with text from the new web page.

darcs-hash:20090701181133-f546f-3b52ac3567b53d9af065dd1db6b51b3ac12eada2.gz

nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf