Merge branch 'implement-facet-all-all-interface' into 'master'

Oliver Sanderrequested to merge
cherry-pick-1aeae5bf into releases/2.7

Implement the All_All communication interface for facets

See merge request !178 (merged)

(cherry picked from commit 1aeae5bf)

e1c44be4 Implement the All_All communication interface for facets

Merge request reports