DMPlexCreateFromFile: set object name if it is non-empty;

* allow for names set by loader (e.g. exodus)
* ex55: meshname set only from option
* DMPlexCreateFromOptions_Internal: better handling of -

DMPlexCreateFromFile: set object name if it is non-empty;

* allow for names set by loader (e.g. exodus)
* ex55: meshname set only from option
* DMPlexCreateFromOptions_Internal: better handling of -dm_plex_filename

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Merge branch 'ksagiyam/dmplex_path_change' into 'main'

Ksagiyam/dmplex path change

Closes #956 and #896

See merge request petsc/petsc!4441

plex: DMPlex needs to be named before calling DM{View, Load}()

DMPlexCreateFromFile() takes mesh name as argument

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

Fix many spelling errors in manpages and comments

See merge request petsc/petsc!4283

Fix spelling errors in manpages and comments

Merge branch 'jolivet/fix-some-missing-chkerr' into 'main'

Some missing CHKERR[Q|MPI]

See merge request petsc/petsc!4190

Some missing CHKERR[Q|MPI]

Merge branch 'barry/2021-05-16/fix-double-lines' into 'main'

Fix typos in source

See merge request petsc/petsc!3984

Remove all double blank lines from source

Commit-type: petsc-style
/2h

Merge branch 'bourdin/exodus-viewer' into 'main'

exodusii: viewer updates

See merge request petsc/petsc!3836

exodusii: viewer updates
- finished implementing PETSCVIEWEREXODUSII
- Call the proper exodusii function when VecView/Load and DMView/Load are invoked on a PETSCVIEWEREXODUSII viewer
- Added

exodusii: viewer updates
- finished implementing PETSCVIEWEREXODUSII
- Call the proper exodusii function when VecView/Load and DMView/Load are invoked on a PETSCVIEWEREXODUSII viewer
- Added interface to define second order exodusii meshes
- updated dm/impls/plex/tests/ex26.c

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Merge branch 'barry/2020-10-08/fix-mpi-error-codes' into 'master'

Convert MPI error type to PETSc error with string message for all MPI calls

See merge request petsc/petsc!3326

Convert MPI error type to PETSc error with string message for all MPI calls

Now PETSc examples will ONLY return PETSc error codes and never MPI error codes directly so we can understand and post-pro

Convert MPI error type to PETSc error with string message for all MPI calls

Now PETSc examples will ONLY return PETSc error codes and never MPI error codes directly so we can understand and post-process their
errors better.

The test harness will now automatically retry tests that fail with MPI, this may help with Intel MPI that produces
seemingly random failures.

Commit-type: error-checking
/spend 30m

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Merge branch 'knepley/feature-dm-remove-hybrid' into 'master'

Knepley/feature dm remove hybrid

See merge request petsc/petsc!2614

DM+Plex: Example Fixes for cell type rewrite

Merge branch 'jed/promote-examples-tests-tutorials' [petsc/petsc!2610]

* jed/promote-examples-tests-tutorials:
Promote examples/{tests,tutorials}/ to {tests,tutorials}/

Promote examples/{tests,tutorials}/ to {tests,tutorials}/

This shortens paths and improves consistency between test target names
and paths to the source and output files. Most of the work was
compl

Promote examples/{tests,tutorials}/ to {tests,tutorials}/

This shortens paths and improves consistency between test target names
and paths to the source and output files. Most of the work was
completed by this script, followed by mild cleanup of nonconforming
cases.

for makefile in `git ls-files 'src/*makefile'`; do
if rg -q 'DIRS.*\bexamples\b' $makefile; then
base=$(dirname $makefile)
dirs=$(cd $base/examples && ls -d tests tutorials 2>/dev/null | xargs echo)
perl -pi -e "s#^(DIRS.*)\bexamples\b#\1${dirs}#" $makefile
git rm $base/examples/makefile
for t in $dirs; do
git mv $base/examples/$t $base/
perl -pi -e "s#^(LOCDIR[[:space:]]*=).*#\1 $base/$t/#" $base/$t
done
fi
done

git grep -l -E -z 'examples/(tutorials|tests)' | xargs -0 perl -pi -e 's#examples/(tutorials|tests)#\1#g'
git checkout @ \
src/docs/website/documentation/changes/ \
src/benchmarks/results/

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