fix valgrind errors with using PetscObjectGetName()/SetName() with the same object - resulting in a free() before copy.

Merge branch 'master' into knepley/feature-plex-adjoint-prelim

* master: (251 commits)
yaml: add a backup download URL
Fix documentation of MatSetRandom function
Ignore -malloc-hbw option if m

Merge branch 'master' into knepley/feature-plex-adjoint-prelim

* master: (251 commits)
yaml: add a backup download URL
Fix documentation of MatSetRandom function
Ignore -malloc-hbw option if malloc is already set
Plex: Fixed array initialization
pgi: compile fix
knl: update test to use memkind and remove option that worked arround a bug with intel 17
Check the return value for memkind_posix_memalign
Change the default behavour for -malloc_hbw
Bib: More refs
test: remove runex13f90 as its now converted to new test suite
fix win32 crash. This test was previously run with '-n 4' - so restoring it
Fix petscsfgetgraph_ to work for all Fortran compilers by directly using array of PetscSFNodes
bugfix for MatDuplicate_MPIAIJ_PtAP Reported-by: Samuel Lanthaler <s.lanthaler@gmail.com>
strip out dead sundials usage code; change sundials test to only run 5 timesteps to prevent different number of steps on different systems.
Remove extra lines of output file
Example uses C99 constructs so must mark with requires: c99
fix const missmatch for DMDAVecRestoreArrayRead()
remove conflict between function name in example and new PETSc TS function
builds: attempt to do maint/master/next test builds in separate clones
ex62: it turned out that CHACO partioning is not deterministic. Use a prescribed partition instead
...

Conflicts:
src/dm/interface/dm.c
src/snes/examples/tutorials/ex13.c

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Plex ex1: Added parallel test with ParMetis

PetscDS: Can now store default adjacency when it has no fields
- Get it with PETSC_DEFAULT for field

Merge remote-tracking branch 'origin/knepley/feature-adaptor-plex' into next-tmp

Merge remote-tracking branch 'origin/knepley/fix-l2-projection-submesh' into next-tmp

Plex ex26: Test for FEM dof layout and DMCreateSubDM()
Contributed-by: Blaise A Bourdin <bourdin@lsu.edu>

Plex ex9: Updated to new spectral API

Plex: Fixed array initialization

Plex ex6: Update to new spectral permutation interface

Plex: DMPlexCreateSpectralClosurePermutation() now takes a point argument
- This allows the user to have the solution only partially supported in the domain
- Give PETSC_DETERMINE for the prior behav

Plex: DMPlexCreateSpectralClosurePermutation() now takes a point argument
- This allows the user to have the solution only partially supported in the domain
- Give PETSC_DETERMINE for the prior behavior
- Give an edge or cell which supports the field

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Plex ex19: Update build

Plex ex7: Update interpolation

Plex examples: Update interpolation

Plex ex19: Fix allocation

Plex: Update to new Interpolate interface

Plex: DMPlexCopyCoordinates() does nothing if number of coordinate fields is not set

Plex: Now DMPlexInterpolate() copies labels and coordinates
- Removed non-NULL input option which was not useful

Plex+DS: Moved adjacency information completely to DS
- The Plex versions now just delegate to DS
- Defaults in DS are clearer
- Input to GetAdjacency are optional

Merge branch 'master' into knepley/fix-plex-bc-multiple

* master: (347 commits)
tests: add 'PETSC_HAVE_C99' flag - so that 'requires: c99' can be used in the test suite
PGI: fix build error with

Merge branch 'master' into knepley/fix-plex-bc-multiple

* master: (347 commits)
tests: add 'PETSC_HAVE_C99' flag - so that 'requires: c99' can be used in the test suite
PGI: fix build error with updated 17.10 compilers
Fix for test dirs that are not tutorials/tests
fix use of double in PetscAbsReal() which produces compiler warnings with single precision build
elemental: remove info on conflict of -with-cxx-dialect=C++11 on osx - it works now.
Cleanup .bib files
Fix allfortranstubs rule to rm generated files from correct directory, not outdated location
ierr set but not checked
Remove initial refine so test runs faster and does not time out on some machines
Gail's copyedits for bibtex items
Docs: manual: add further description of 3 different current testing options
DM: check for ops->localtolocalbegin/end before calling
PetscSF: fix typo in tutorial ex1
Vec+HDF5: Fix output for complex - Need to check for empty group name
SNES: SNESDestroy() can be called with snes->dm == NULL
SNES: SNESDestroy() can be called with snes->dm == NULL
Vec+HDF5: Fix output for complex - Need to check for empty group name
Docs: Manual: Update tests section
gmakegentest: also exclude .#filenames created by emacs
DMPlex: Fix output of test ex1 after changes to Gmsh reader
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Plex ex23: Added all types of projection iterations

Plex: Fixed projection routines when we iterate over a surface with volume field and surface aux fields
- If we are iterating over a surface with volume input, then the effective DS is the height=1 s

Plex: Fixed projection routines when we iterate over a surface with volume field and surface aux fields
- If we are iterating over a surface with volume input, then the effective DS is the height=1 subspace
- Made DS an argument for projection functions
- Only allow iteration over a surface with volume input when we have a surface auxiliary field with FIELD type function
- Documented DMProjectLocal_Generic_Plex()

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DM: Use new PetscGlobalMinMaxInt()

DM: Added DMCreateSuperDM()

Plex: Refactor computation of integrals over the domain
- Added DMPlexComputeCellwiseIntegral()