update with upstream.

source/configure

source/libs/configure

source/m4/kpse-pkgs.m4

source/texk/configure

source/texk/kpathsea/ChangeLog

source/texk/kpathsea/knj.c

source/texk/kpathsea/readable.c

source/texk/web2c/ChangeLog

source/texk/web2c/Makefile.am

source/texk/web2c/ac/web2c.ac

source/texk/web2c/configure

source/texk/web2c/configure.ac

source/texk/web2c/ctangleboot.cin

source/texk/web2c/ctiedir/ChangeLog

source/texk/web2c/ctiedir/ctie-k.ch

source/texk/web2c/luatexdir/luatex_svnversion.h

source/texk/web2c/omegafonts/Makefile.in

source/texk/web2c/otps/Makefile.in

source/texk/web2c/otps/win32/Makefile.in

source/texk/web2c/tiedir/ChangeLog