Merge branch 'develop' into feature/reconstruction

.gitignore

.gitlab-ci.yml

.gitlab-ci/clang10-mpi-debug.yml

.gitlab-ci/clang10-mpi-release.yml

.gitlab-ci/clang11-mpi-debug.yml

.gitlab-ci/clang11-mpi-release.yml

.gitlab-ci/gcc10-mpi-coverage.yml

.gitlab-ci/gcc10-mpi-release.yml

.gitlab-ci/gcc10-seq-coverage.yml

.gitlab-ci/gcc10-seq-release.yml

CMakeLists.txt

cmake/FindSlurm.cmake

cmake/PugsDoc.cmake

doc/lisp/build-doc-config.el

doc/userdoc.org

packages/HighFive/.github/run_examples.sh

packages/HighFive/.github/workflows/ci.yml

packages/HighFive/.github/workflows/clang_format.yml

packages/HighFive/.github/workflows/coverage.yml

packages/HighFive/.github/workflows/gh-pages.yml