initial import of libXt-1.3.0

initial import of libXt-1.2.1

initial import of libXt-1.2.0

initial import of libXt-1.1.5

merge libXt 1.1.4 and libXtst 1.2.2.

initial import of libXt-1.1.4

initial import of libXt-1.1.1. important changes include:
avoid some NULL derefs
snprintf cleanup
big-endian 64 bit fixes

initial import of libXt-1.0.9