MatClique: follow DistMultiVec API changes

MatClique: remove unused variables

replaced all left-over uses of a single PetscMalloc() to allocated multiple arrays: replaced with PetscMallocN()
The only ones left are when the second array is set into the first array and one ugly

replaced all left-over uses of a single PetscMalloc() to allocated multiple arrays: replaced with PetscMallocN()
The only ones left are when the second array is set into the first array and one ugly usage in the MUMPS interface that cannot be easily fixed

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ViennaCL: Fixed required casts to PetscObject when calling PetscLogObject*()

move Mat_CheckInode_FactorLU to symbolic factorization so it doesn't get called in EVERY numeric factorization

set matsolve function pointer for SeqAIJ in the numeric factorization, not in the check

move Mat_CheckInode_FactorLU to symbolic factorization so it doesn't get called in EVERY numeric factorization

set matsolve function pointer for SeqAIJ in the numeric factorization, not in the checkinode so matsolve cannot be called on matrix that has not been numerically factored

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removed mallocs from inner loop of Mat_CheckInode_FactorLU, also added a bunch of const to array variables in that file

Merge branch 'barry/improve-memory-logging'

Conflicts:
src/ksp/pc/impls/redundant/redundant.c
src/mat/interface/matnull.c

removed Mat option for skipping checking of compressed row format since it is now free using the nonzerorowcnt previously introduced

added seqij nonzerorowcnt used to determine flop count in MatMult_SeqAIJ()

Merge branch 'paulmullowney/txpetscgpu-package-removal2'

cleanup MatGetRedundantMatrix_MPIAIJ()

rm psubcomm from MatGetRedundantMatrix() because Jed does not like it :-(

rm psubcomm from MatGetRedundantMatrix_MPIAIJ_interlaced(), from all app codes

rm impl of PETSC_SUBCOMM_CONTIGUOUS from MatGetRedundantMatrix_MPIAIJ_interlaced()

bugfix for MatCreateMPIAIJConcatenateSeqAIJ() when input matrix is seqaij

bugfix of MatGetRedundantMatrix_MPIAIJ() which causes 'make test' crash :-(

Mat: Fixed declaration of MatGetRedundantMatrix_MPIAIJ

bugfix of MatGetRedundantMatrix_MPIAIJ() for the case subcomm_in != MPI_COMM_NULL

replace MatGetRedundantMatrix_MPIAIJ_xxx() by MatGetRedundantMatrix() in PCSetUp_Redundant(); passed tests of sp/ksp/examples/tutorials/ex5.c and mat/examples/tests/ex9.c

rm '-new' from MatGetRedundantMatrix_MPIAIJ_psubcomm(); add src/mat/examples/tests/output/ex9_3.out

add 'psubcomm' as an input for MatGetRedundantMatrix(): user can provide his own subcomm, or psubsomm, or nsubcomm

optimize and cleanup '-new' MatGetRedundantMatrix_MPIAIJ_psubcomm()

release memory spaces for '-new' option

new impl of MatGetRedundantMatrix_MPIAIJ() works, but needs cleanup

add an impl of MatGetRedundantMatrix_MPIAIJ_psubcomm() using MatGetSubMatrices()