merge libX11 1.8.12.

merge libX11 1.8.6.

merge libX11 1.8.4.

merge libX11 1.8.1.

merge libX11 1.7.2, and libXfixes 6.0.0.

merge libX11 1.6.5.

merge libX11 1.6.4.

merge libX11 1.4.1

initial import of libX11-1.3.6. this includes a few fixes to keysyms,
the removal of the XKeysymDB, and aliases for nb_NO.utf8 and nn_NO.utf8.