stackbuilder - wizard: New, more robust module for finding wxWidgets.

Log Message:
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New, more robust module for finding wxWidgets.

Modified Files:
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wizard:
CMakeLists.txt (r1.17 -> r1.18)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/CMakeLists.txt.diff?r1=1.17&r2=1.18)

Added Files:
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wizard/cmake:
FindWX.cmake (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/cmake/FindWX.cmake?rev=1.1&content-type=text/x-cvsweb-markup)