Fix a bug in the marktask. Can't call cell_is_active_stars() if we are running with MPI and ext potential.

Implement stars sort

See merge request !665

Use the same naming convention for the hydro sort activation function and the star sort activation function.

Improvements to the drift all

See merge request !678

Doc fixes: quick fix for typos and wrong parameter name in VELOCIraptor dox

See merge request !677

When repartitioning, no need to verify that the multipoles were drifted. We are going to free them anyway.

Correctly read the number of particles when >2^32 in the IC combination script. Also add an option to specify the compression level.

Reduce the number of proxies constructed in the case with gravity

See merge request !673

Parallel rebuild2

Closes #458

See merge request !659

Sorts bug fix

Closes #488

See merge request !676