Merge branch 'master' into pr192/Fande-Kong/scalable-matincreaseoverlap/master

Needed to merge master to update to new calling sequence PetscCommBuildTwoSided

fixed missing CHKERRQ() detected by clang's --analyze

Merge branch 'master' into tisaac/dmforest

If we're going to start developing on this again, the recent changes to the
location of configuration files will make it annoying to switch to and from
thi

Merge branch 'master' into tisaac/dmforest

If we're going to start developing on this again, the recent changes to the
location of configuration files will make it annoying to switch to and from
this branch. Matt's and my fixes in DMPlex will also be relevant.

* master: (1557 commits)
MatLoad_MPIDense() always allocated array space even if it was previously provided
Clarified lumping options for PCFieldSplitSchurPreType SELFP.
fixed up PetscInfo in GAMG
TSErrorWeightedNorm[2|Infinity]: API changes
MatLoad_SeqDense() always allocated new space for the data even if the user already provided it
Fixed DMCompositeGetAccessArray() to support readonly vectors
Fix obviously-wrong aspects of documentation on SNESVINEWTONRSLS and SNESVINEWTONSSLS.
fixed example to compile - demonstrates a bug
var name 'len' was F90 key word
For user provided Jacobian functions they should always assembly into the second matrix, the one from which the preconditioner is built because the first may be used as matrix-free with -snes_mf_operator
Suggest --with-64-bit-indices if users mistakenly use --with-64bit-indices
Fix configure logging of integer size.
missing underscore in #define of vecgetarrayread translation of fortran stub for VECGETARRAYREAD
updated test output files to reflect differences introduced previously in PCView output
-ksp_type preonly does not support -ksp_monitor_short so remove from test line to prevent extranious warning output
missing CHKERRQ; and ugly double declaration of ierr
Plex ex3: For want of a semicolon, the kingdom was lost
MatSetValuesMPISBAIJ will now print correct global indices when error generated due to new nonzero location
completed basic use of MatSetValuesBlocked_SeqBAIJ_Inlined() by MatSetValuesBlocked_MPIBAIJ() to allow proper global indices being printed when error generated by new nonzero locations.
Added inline version of MatSetValuesBlocked_SeqBAIJ() to be used by MatSetValuesBlocked_MPIBAIJ() to print error message for nonzero block with global indices
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Merge branch 'master' into shri/ts-is-for-differential-variables

Conflicts:
include/petsc-private/tsimpl.h
src/ts/impls/eimex/eimex.c
src/ts/interface/ts.c

Merge branch 'master' into jed/chem
Note merging a branch with good stuff in it for a year and a half is insane!

Conflicts:
src/ts/examples/tutorials/makefile
src/ts/interface/ts.c

Merge branch 'master' into stefano_zampini/pcbddc-adaptive-selection

Conflicts:
src/ksp/pc/impls/bddc/bddcprivate.c

Merge branch 'master' into barry/saws-options-merge-master

Totally confusing manual merge, could be wrong

Conflicts:
include/petscoptions.h
src/dm/impls/da/dacreate.c
src/sys/objects/aoptions.c

Merge branch 'master' into barry/saws-options-merge-master

Totally confusing manual merge, could be wrong

Conflicts:
include/petscoptions.h
src/dm/impls/da/dacreate.c
src/sys/objects/aoptions.c
src/sys/threadcomm/interface/threadcomm.c

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Merge branch 'master' into pr252/dmay/PetscViewerBinarySkipHeaderVecViewLoad
Manual merge of makefile

Conflicts:
src/sys/classes/viewer/examples/tutorials/makefile

Merge branch 'barry/experiment'

simplify option object names

updated new XXXSetFromOptions_YYY() methods to take PetscOptionsObjectType

Merge branch 'tisaac/feature-fe-geom-dim' into tisaac/plex-flexible-projection

Use the new PetscFECellGeom

Conflicts:
include/petscdmplex.h
include/petscfe.h
src/dm/impls/plex/plexfem.c

Merge branch 'master' of bitbucket.org:petsc/petsc into mark/ex49-bs

Merge branch 'barry/fix-tao-petsc-c-begin'

removed Tao use of antediluvian PETSC_C_BEGIN/END with PETSC_EXTERN for Tao implementation class constructors

Merge branch 'sarich/tao-docs-update'

tao: documentation update

add a tao solver page to man pages for each solver (could be filled in a bit more)

Merge branch 'master' into barry/saws-options

Merge branch 'master' into stefano_zampini/pcbddc-multilevel-improvement

Conflicts:
src/docs/website/documentation/changes/dev.html
src/ksp/ksp/examples/tutorials/ex59.c
src/ksp/pc/impls/bddc/bdd

Merge branch 'master' into stefano_zampini/pcbddc-multilevel-improvement

Conflicts:
src/docs/website/documentation/changes/dev.html
src/ksp/ksp/examples/tutorials/ex59.c
src/ksp/pc/impls/bddc/bddcprivate.c

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Merge branch 'master' into shri/ts-events

Conflicts:
src/ts/interface/ts.c

Merge branch 'master' into shri/feature-dm-circuit

Conflicts:
src/dm/impls/makefile

Merge branch 'master' into prbrune/matcoloring-greedy

Merge branch 'master' into knepley/feature-plex-fas

* master: (863 commits)
Revert "mpich: use latest mpich tarball with gcov but use '--enable-coverage' mpich configure option."
MatCreateTransp

Merge branch 'master' into knepley/feature-plex-fas

* master: (863 commits)
Revert "mpich: use latest mpich tarball with gcov but use '--enable-coverage' mpich configure option."
MatCreateTranspose: fix for lazy block size
mpich: use latest mpich tarball with gcov but use '--enable-coverage' mpich configure option.
configure: add FC_DEFINE_FLAG to petscvariables
added a citation for pounders, Stefan finally came through
update to latest netcdf fixes bug that did not allow building on recent Mac OS X
DMPlex: Fixes for CGNS - Fixed loop bounds since CGNS uses closed intervals - Bug with mixed cell types - Typo with coordinates
final updates from nightly tests
fix for countcfunction
removed outdated docs and comments on MatStructure usage removed SAME_PRECONDITIONER since no longer used removed unneed use of MatStructure in Schur complement matrix
removed MatStructure arguments from Tao
fixes for Sundials and fun3d cannot use MPIU_SUM for integer arrays
inplace ILU factorization must update state of inplace matrix to prevent infinite recursion of updating PC
fixes for BDDC by the way not having BDDC always in the testing is going to lead to trouble
the compute Jacobian functions for SNES and TS now do not take a MatStructure flag
KSPSetOperators() no longer has the MatStructure argument. The Mat objects now track that information themselves. Use KPS/PCSetReusePreconditioner() to prevent the recomputation of the preconditioner if the operator changed in the way that SAME_PRECONDITIONER did with KSPSetOperators()
tracks when Mat's have a change in nonzero structure this information can be used by PC to determine how preconditioners must be rebuilt currently only does an error check if the user said same nonzero pattern but actually changed the pattern
completed cleanup of removal of matrix pointers to compute jacobian routines
makefile: Added 'make includegraph' to create an inclusion dependency graph.
Contrib: Updated include-graph.sh script to ignore *.hh files
...

Conflicts:
src/dm/dt/interface/dt.c

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Merging master with feature-dmmoab. Only conflict was with SOURCECXX specification under impls/moab/makefile.