Merge branch 'v54r0-release' into 'master'

Documentation and dependencies for v54r0 release

See merge request !562
3 jobs for v54r0 in 29 seconds
latest
Status Name Job ID Coverage
  Test
passed check-copyright #15025006

00:00:20

passed check-formatting #15025007

00:00:28

passed python-linting #15025008
cvmfs

00:00:24