Merge branch 'master' of gitlab.etp.kit.edu:qcd-public/fastNLO

tools/README.installation

tools/fnlosrc_install.csh

tools/plotting/fastnnlo_pdfunc.py

tools/plotting/fastnnlo_scaleclosure.py

tools/plotting/fastnnlo_scaleunc.py

tools/plotting/fastnnlo_statunc.py

v2.5/generators/nlojet++/ChangeLog

v2.5/generators/nlojet++/NEWS

v2.5/generators/nlojet++/configure.ac

v2.5/generators/nlojet++/m4/ax_cxx_compile_stdcxx_17.m4

v2.5/toolkit/ChangeLog

v2.5/toolkit/NEWS

v2.5/toolkit/configure.ac

.../toolkit/data/check/fnl1014_I902309_2-2_hoppetastest1.log

v2.5/toolkit/fastnlotoolkit/fastNLOLHAPDF.cc

v2.5/toolkit/fastnlotoolkit/fastNLOReader.cc

.../toolkit/fastnlotoolkit/include/fastnlotk/fastNLOLHAPDF.h

.../toolkit/fastnlotoolkit/include/fastnlotk/fastNLOReader.h

v2.5/toolkit/src/Makefile.am

v2.5/toolkit/src/fnlo-tk-rootout.cc