Add --without-libjbig and --without-liblzma configure switches.

They can be used to disable the use of the corresponding libraries by the
built-in libtiff.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74273 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775