Merge branch 'jose/spelling-errors' into 'main'

Fix many spelling errors in manpages and comments

See merge request petsc/petsc!4283

Merge branch 'jed/dmplex-mesh-naming' into 'main'

DMPlex: more accurate mesh names for examples and VTK output

See merge request petsc/petsc!4132

Fix spelling errors in manpages and comments

requires: define -> requires: defined

DM: New idea for cell orientations
- Add DMPolytopeTypeGetNumArrangments()
- Add DMPolytopeTypeGetArrangment()
- Add DMPolytopeTypeGetVertexArrangment()
- Add DMPolytopeTypeComposeOrientation()
- Add

DM: New idea for cell orientations
- Add DMPolytopeTypeGetNumArrangments()
- Add DMPolytopeTypeGetArrangment()
- Add DMPolytopeTypeGetVertexArrangment()
- Add DMPolytopeTypeComposeOrientation()
- Add DMPolytopeTypeComposeOrientationInv()
- Add DMPolytopeGetOrientation()
- Add DMPolytopeGetVertexOrientation()
- Inversion now uses just negation instead of face size
- Remove DMPlexOrientCell(), DMPlexReverseCell(), DMPlexCompareOrientations()
- Add DMPlexOrientPoint()
- Add MPIU_4INT and MPI_4INT
- Rewrote transitive closure
- DMPlexGetTransitiveClosure_Depth1_Static() now correctly handles ornt
- PetscDualSpaceLagrange and PetscSection use the number of arragnements and not the cone size
- Update examples

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Unify XXGetYYContext calls

always use void*

snes_tutorials-ex20_2d_p1_gmg_vcycle_cr: broken

Some missing CHKERR[Q|MPI]

Merge remote-tracking branch 'origin/release'

ex3k: shrink Kokkos live range so that all kokkos objects are destroyed before PetscFinalize

removed a line and added a reparitioning test that repartitions to a reduced processor set

DMPlex: more accurate mesh names for examples and VTK output

Meshes were being called "Simplicial Mesh" even when the mesh was not
simplicial. In the legacy VTK output, "Simplicial Mesh Example" was

DMPlex: more accurate mesh names for examples and VTK output

Meshes were being called "Simplicial Mesh" even when the mesh was not
simplicial. In the legacy VTK output, "Simplicial Mesh Example" was
hard-coded. This avoids the hard-coding and makes the examples use a
name that should be stable and avoid confusion.

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Merge remote-tracking branch 'origin/balay/add-valgrind.h'

valgrind.h: add to petsc repo

See merge request petsc/petsc!4094

checkbadSource: no newline at end of file

testsuite: set and use PETSCTEST_VALGRIND flag - when the test suite is run with valgrind

Adding Helmholtz MG to snes/tutorials

Update badsource rules

- Zero or more spaces are not allowed for more returning types
- zero spaces not allowed for for|if|while

Fix compiler warnings

Remove use of * at beginning of comment line and /** and **/

Merge branch 'knepley/feature-lowmach-solver' into 'main'

TS ex76: Added two low Mach cases

See merge request petsc/petsc!4013

checkbadSource: fix bug with incorrect line count

Merge branch 'barry/2021-05-06/add-snes-picard-mf' into 'main'

Add support for using -snes_mf_operator with SNESSetPicard()

See merge request petsc/petsc!3962

Merge branch 'knepley/fix-plex-nonaffine-integration' into 'main'

FE: Fix non-affine integration

See merge request petsc/petsc!4009

Add support for -snes_fd and -snes_fd_color for SNESSetPicard()

Commit-type: feature
/spend 3.5h

Clean up dead code in example that demonstrates use of Picard iteration

Commit-type: example
/spend 1h