Attributes GH PR #731: https://github.com/ArcticaProject/nx-libs/pull/731

Attributes GH PR #722: https://github.com/ArcticaProject/nx-libs/pull/722

This commit is the only change between Xorg's libX11 1.6.6 and 1.6.7
that affects our code. So were are effectively now on par with libX11
1.6.7 (commit f3c978476e0be6813268af494efb7ac507451116)

  From: Bhavi Dhingra <b.dhingra@samsung.com>
  Date: Mon, 28 Sep 2015 08:33:40 +0000
  Subject: [PATCH] XcmsLookupColor: fully initialize XColor structs passed to
   _XColor_to_XcmsRGB

  Fixes https://gitlab.freedesktop.org/xorg/lib/libx11/issues/44
  aka https://bugs.freedesktop.org/show_bug.cgi?id=92154Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

We are at X.Org libX11 upstream commit 733f64b

Fixes: ArcticaProject/nx-libs #716, #719 and #720

Attributes GH PR #730: https://github.com/ArcticaProject/nx-libs/pull/730

these can be used to determine the PID and name of an X11 client,
e.g. in debugging.

Attributes GH PR #728: https://github.com/ArcticaProject/nx-libs/pull/728

One question remains: why are we using "bool" instead of "Bool" here?

has been used as integer sometimes (technically correct, but not nice)

has been used as integer sometimes (technically correct, but not nice)

Fixes ArcticaProject/nx-libs#698

Attributes GH PR #729: https://github.com/ArcticaProject/nx-libs/pull/729