fix links

docs.it4i/anselm/capacity-computing.md

docs.it4i/anselm/compute-nodes.md

docs.it4i/anselm/hardware-overview.md

docs.it4i/anselm/introduction.md

docs.it4i/anselm/job-priority.md

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

docs.it4i/anselm/remote-visualization.md.disable

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

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

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

docs.it4i/anselm/software/debuggers/allinea-ddt.md

.../anselm/software/debuggers/allinea-performance-reports.md

docs.it4i/anselm/software/intel-suite/intel-compilers.md

docs.it4i/anselm/software/mpi/mpi.md

docs.it4i/anselm/software/numerical-languages/matlab.md

docs.it4i/anselm/storage.md

docs.it4i/environment-and-modules.md

...ters/graphical-user-interface/graphical-user-interface.md

...al/accessing-the-clusters/graphical-user-interface/vnc.md

...-the-clusters/graphical-user-interface/x-window-system.md