Merge branch 'fix_menu_and_accesing' into 'master'

docs.it4i/anselm/introduction.md

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

...i/general/obtaining-login-credentials/certificates-faq.md

docs.it4i/job-features.md

docs.it4i/software/debuggers/Introduction.md

docs.it4i/software/debuggers/allinea-performance-reports.md

docs.it4i/software/debuggers/papi.md

docs.it4i/software/intel/intel-suite/intel-debugger.md

docs.it4i/software/intel/intel-suite/intel-mkl.md

docs.it4i/software/intel/intel-suite/intel-tbb.md

...e/intel/intel-suite/intel-trace-analyzer-and-collector.md

docs.it4i/software/machine-learning/introduction.md

docs.it4i/software/mpi/mpi.md

docs.it4i/software/mpi/running-mpich2.md

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

docs.it4i/software/numerical-languages/r.md

...software/numerical-libraries/intel-numerical-libraries.md

docs.it4i/software/numerical-libraries/petsc.md

docs.it4i/software/numerical-libraries/trilinos.md

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