Sync with TeXLive revision 43325.

source/libs/README

source/libs/cairo/TLpatches/ChangeLog

source/libs/cairo/TLpatches/TL-Changes

source/libs/gmp/TLpatches/ChangeLog

source/libs/gmp/TLpatches/TL-Changes

source/libs/libpng/TLpatches/ChangeLog

source/libs/libpng/TLpatches/TL-Changes

source/libs/lua52/TLpatches/ChangeLog

source/libs/lua52/TLpatches/patch-01-utf-8

source/libs/lua52/TLpatches/patch-02-FreeBSD

source/libs/lua52/TLpatches/patch-03-export

source/libs/luajit/TLpatches/ChangeLog

source/libs/luajit/TLpatches/patch-01-LuaJITTeX

source/libs/luajit/TLpatches/patch-05-LuaJITTeX

source/libs/luajit/TLpatches/patch-06-ppc-darwin

source/libs/luajit/TLpatches/patch-07-x86_64-cygwin

source/libs/mpfr/TLpatches/ChangeLog

source/libs/mpfr/TLpatches/TL-Changes

source/libs/mpfr/TLpatches/patch-01-TL

source/libs/pixman/TLpatches/ChangeLog