Add an irregular-block example.
Add a 3d example.

Skipped, because it can't be plotted.
Switched to pformat.
Better handling for 3D array examples.
Merge branch 'master' into feature/even-more-examples-mkness
Merge branch 'master' into feature/even-more-examples-mkness
Basic local array plot.
Lots of work on local array subplots.
Can handle arbitrary number of local array plots.
Merge branch 'master' into feature/even-more-examples-mkness
Using black text over somewhat darker colors.
Added local array plots to document.
Writing per-engine properties into rst grid table, and skipping those with empty local arrays.
Printing sphinx table.
Merge branch 'master' into feature/even-more-examples-mkness
Fixed index error.
Can create all examples in one run via two contexts.
Creating plots in a subfolder.
Some cleanup.
Replaced context.view[] with context._pull. Fixed descrip for an example. Better handling of 1D plots.