PCBDDC: check benign trick when dbgflag > 1

PCBDDC: remove consistency checks from PCBDDCGraph code

Check Index sets in PCBDDC code

MatHYPRE/VecHypre: clean up and fix header files

PCHYPRE: use Mat instead of IJMatrix

move the customization of AMS and ADS at SetUp time

PCHYPRE: use internal Mat of type MatHYPRE

hpmat already stores two HYPRE vectors

incorrect argument name in manual page

Reported-by: Peter J. Puchyr <pjpuchyr@gmail.com>

phrasing in manual page results in false link and is incomplete.

Reported-by: Dave May <dave.mayhem23@gmail.com>

Merge remote-tracking branch 'origin/mark/snes-ex56-b'

Merge remote-tracking branch 'origin/karlrupp/feature-viennacl-preconditioners/master'

PCBDDC: fix deadlock

Merge branch 'maint'

PCSetUp_SVD() used incorrect matrix for matrix size in parallel, also need to skip LAPACK call if matrix size is zero

Time: .7 hours
Reported-by: Olivier Mesnard <olivier.mesnard8@gmail.com>

GAMG: fix PCView_GAMG() format - and update output/ex56_0.out

PCBDDC: add robustness to the correct detection of malign/benign subdomains when we don't have enough information from the user

updated test

made threshold an array, fixed up ex56 convergence test (have a Plex/FEM bug)

MatIS: attach local fields to the local matrix when converting from MatNest
PCBDDC: use the information to setup the dofs splitting

Merge branch 'barry/improve-matnullspace-usage'

PCBDDC: first check validity of IS

Merge branch 'stefano_zampini/feature-convert-matnest-matis' into stefano_zampini/feature-pcbddc-saddlepoint

I have to merge it here, since there's an API addition for MatIS in stefano_zampini/featu

Merge branch 'stefano_zampini/feature-convert-matnest-matis' into stefano_zampini/feature-pcbddc-saddlepoint

I have to merge it here, since there's an API addition for MatIS in stefano_zampini/feature-pcbddc-saddlepoint
that prevents me to smoothly merge stefano_zampini/feature-convert-matnest-matis into next.

This will also facilitate merging stefano_zampini/feature-pcbddc-saddlepoint into master

Conflicts:
src/docs/website/documentation/changes/dev.html

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When suggesting options database items in error messages you must include the appropriate options prefix

Time: .05 hours
Reported-by: Sophie Blondel <sblondel@utk.edu>

PCBDDC: allow setting 1 when the matrix is missing the diagonal

PCBDDC: yet another deadlock fixed

PCBDDC: fix deadlock

PCBDDC: Fix PCView_BDDC for setupcalled==0