The `git ls-files | xargs rm` removes only files; directories which are
empty are left laying around. This later chokes the `mv` which puts the
"reduced" directory into place. Remove the empty directories as well.
a5dd0c9d Add option to use a system-installed KWIML
036b6ef7 Port CMake from cmIML to KWIML
12293371 Merge branch 'upstream-KWIML' into import-kwiml
3fdbb0a8 KWIML 2015-12-09 (43f9f8d0)
55b21d07 Add script to update KWIML from upstream
c7d9a249 Utilities/KWIML: Drop sources to make room for fresh import
This script scans Boost headers in order to determine inter-library
dependencies, using the "autolink" information embedded in the
headers for automatic linking on Windows. This information is then
output in a form suitable for use in FindBoost.cmake.