Fix NicaFemto compilation on macosx arm64.
Remove hardcoded GSL search directory and pass the correct brew install
directory which is now taken from the brew command.

Fix KFParticle compilation on macosx arm64.
Add patch which adds an include file which defines _mm_malloc and _mm_free.

When using the commit hash it is possible to check if a download is really
needed. Only in the case the hash has changed the external project command is
executed.

L1: U and V coordinates and uncertainties conversion methods were refactored and moved from L1Algo to L1Station

Administrator authored 2 years ago and Sergey Gorbunov committed 2 years ago

    The creation of the ROOT dictionary fails on arm64 if the SIMD vectors are
    used.

    Extend suggestions of PAL