xinput: ev ButtonPress, TouchBegin: support list axisvalues

xinput: ev ButtonPress, TouchBegin: support list axisvalues

These events are identical to KeyPress, so needed to be changed the same way.
( in the spec, these are all listed under DeviceEvent )

spec:
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/specs/XI2proto.txt?id=inputproto-2.3.1#n2214

code:
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/XI2proto.h?id=inputproto-2.3.1#n944

Message-ID: <1409845742-38797-6-git-send-email-chris@demorecorder.com>
Patch-Thread-Subject: [Xcb] support popcount of a list and associated xml changes
Patch-Set: PopcountList
Patch-Number: proto 6/8
Patch-Version: V1
Signed-off-by: Christian Linhart <chris@DemoRecorder.com>