Merge branch 'convectiondiffusionccfv-documentation' into 'master'
[Doc] Documents the fact that convectiondiffusionccfv works only on axiparallel grid
See merge request !311 (merged)
(cherry picked from commit 0d0e3549)
4169e8da [Doc] Documents the fact that convectiondiffusionccfv works only on axiparallel grid