merge xinput 1.6.4, xrdb 1.2.2, xwd 1.0.9, and xwininfo 1.1.6

merge xeyes 1.2.0, xrdb 1.2.1, and xwd 1.0.8.

merge xmodmap 1.0.10, xrdb 1.2.0, and xstdcmap 1.0.4.

merge xload 1.1.3, xrdb 1.1.1 and xmessage 1.0.5.

CID 1358678: Don't pass -1 to fdopen(3)

merge xmessage 1.0.3, xmodmap 1.0.8, xprop 1.2.2, xrandr 1.4.1,
xrdb 1.1.0, xset 1.2.3, xvinfo 1.1.2, and xwd 1.0.6.

Replace mrg's clean cpp+cpp_arg interface with xrdb version 420347005c
to minimise upstream differences.
OK wiz@

merge xrdb 1.0.9

merge xrdb 1.0.8. XXX: this one needs to be tested carefully.

merge cornflakes

- add a new -cppargs option
- default -cppargs to the CPPARGS variable if defined.
- add cppargs to the cpp command if defined.

part2 of xrdb fixes. thanks to Patrick Welche <prlw1@cam.ac.uk> for
figuring out what was going wrong, and testing these changes.

initial import of xrdb-1.0.6

initial import of xrdb-1.0.4