Import the ros/ directory of OCCT 6.6.0

 Remove unneeded folders, they are very large:
   data tests samples doc

 Fix permissions (on Unix):

   find * -type f -exec chmod a-x {} \;

  # Autotools scripts
  chmod a+x build_configure

  # Windows scripts
  find adm/msvc  -type f -exec chmod a+x {} \;

  # Shell and bat scripts
  chmod a+x codeblocks.sh \
            custom.bat \
            custom_amk.sh.in \
            custom_cbp.sh \
            draw.bat \
            draw_amk.sh \
            draw_cbp.sh \
            env.bat \
            env_amk.sh \
            env_cbp.sh \
            msvc.bat \
            adm/cmake/draw.bat \
            adm/cmake/env.sh.in \
            adm/cmake/draw.sh