Merge branch 'master' into 'hot_fix'

docs.it4i/salomon/job-priority.md

docs.it4i/salomon/job-submission-and-execution.md

docs.it4i/salomon/prace.md

docs.it4i/salomon/resource-allocation-and-job-execution.md

docs.it4i/salomon/resources-allocation-policy.md

docs.it4i/salomon/shell-and-data-access.md

docs.it4i/salomon/software/ansys/ansys-cfx.md

docs.it4i/salomon/software/ansys/ansys-fluent.md

docs.it4i/salomon/software/ansys/ansys-ls-dyna.md

docs.it4i/salomon/software/ansys/ansys-mechanical-apdl.md

docs.it4i/salomon/software/ansys/ansys.md

docs.it4i/salomon/software/debuggers/valgrind.md

docs.it4i/salomon/software/mpi/Running_OpenMPI.md

docs.it4i/salomon/software/mpi/mpi4py-mpi-for-python.md

...it4i/salomon/software/numerical-languages/introduction.md

docs.it4i/salomon/software/numerical-languages/octave.md

docs.it4i/salomon/software/numerical-libraries/.gitkeep

docs.it4i/salomon/software/numerical-libraries/Clp.md

docs.it4i/salomon/software/operating-system.md

docs.it4i/salomon/software/phys/LMGC90.md