Merge branch 'bugfix/second-cleanup-for-dune-course-2018' into 'master'
Second round of small bugfixes for the course
See merge request !46 (merged)
(cherry picked from commit 7849cc03)
2924b2f9 Update grid exercises
Second round of small bugfixes for the course
See merge request !46 (merged)
(cherry picked from commit 7849cc03)
2924b2f9 Update grid exercises