v3.5.25 - incremental update before hackathon

What's Changed

• V3.5.24 release doc updates etc by @willend in #1856
• Fix typo by @willend in #1857
• Don't internally build cif2hkl by @willend in #1858
• Correct notes on MCPL and McStasScript by @willend in #1859
• No more McStasScript via pip, dammit by @willend in #1860
• Post 3.5.24 patches by @willend in #1861
• Tool folder spring cleaning by @willend in #1863
• More spring cleaning by @willend in #1864
• Shift org URLs by @willend in #1865
• Update rootmccode to work with new version of ROOT by @ebknudsen in #1862
• Add 'dtruss' on macOS in attempt to get info for #1866 by @willend in #1868
• Use macOS leaks binary for potential debug of #1866 by @willend in #1869
• A few minor commits for Install (sudo -E) and libgsl dependency. by @farhi in #1867
• Expand nighty test suite to macOS and Windows by @willend in #1870
• Fix paths in mcxtrace testsuite script by @willend in #1871
• Try to run the basic test using mpich on macOS by @willend in #1873
• NCrystal default branch was renamed from master to main by @tkittel in #1874
• Enable mpi for windows in test CI by @willend in #1875
• Enable MPI, NCrystal and MCPL in windows-test-CI by @willend in #1876
• Fixes to rectify remaining MCPL, NCrystal, gsl and xraylib by @willend in #1877
• Add libnexus-dev on Ubuntu nightly test by @willend in #1878
• Correct path for mcxtrace nightly testsuite by @willend in #1879
• Cppcheck hints by @willend in #1881
• Return to mpich on basictest by @willend in #1882
• Fix issue 1883 by setting mpirun --mca params by @willend in #1884
• Return None in mctest if no mccode.sim was written by @willend in #1885
• Full adaptation of "spin-component nullification" after "spin up/down measurement" by @willend in #1886
• Add wrapper for mc/mxdisplay-cad on Windows by @willend in #1888
• MacInstall: add comment on forcing open permission with command by @farhi in #1890
• Add component name in "segno" related Exit/Error statement by @willend in #1895
• McXtrace: data: refactor reflec_xraydb.py: refactor by @farhi in #1897
• First stab at adding basic windows MSVC test by @tkittel in #1898
• Doc correction for MCPL install-location in Windows legacy by @willend in #1900
• Restores MPIFLAGS configuration on non-windows platforms. by @willend in #1904
• Disable macos/openmpi in favour of macos/mpich for now by @willend in #1906
• 8GPU box software stack update by @willend in #1912
• Allow further geometries for He3 cell component by @willend in #1915
• McXtrace: work in data/reflec_xraydb script by @farhi in #1916
• Input flag -y / --yes applies all instrument parameter default values by @willend in #1914

Full Changelog: v3.5.24...v3.5.25