Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Optimisation for read_mesh_value_collection.
Bugfix when cells_data contains duplicates.
Another fix for unordered cells_data.
Added a test for the bug-fix.
Small formating fixes
Merge branch 'peppu/optimize_hdf5_read_mesh_value_collection'