stripped out lots of dead code that used DMMG, removed mention of DMMG from a bunch of places

Hg-commit: 668fa41fe9b47969bce796864d43cfe1c187d1cf

namespace Mat utility functions

Hg-commit: 2912dadb08982f5a3e4a9b22bd8b48ffa685bef3

namespaced some Mat utilities that lacked the Mat

Hg-commit: 6f712ebe4bb5ddbcbf32ebd864d408e3a35085b0

properly namespaced a couple more things

Hg-commit: 71672d5f24e597f91ca620cb4b297ebd71880c5a

Phase 2 of update of PetscBT: PetscBTDestroy() takes pointer

Hg-commit: aca1f1363559db957297829187a5e034ace731de

phase 1 of PetscBT conversion: changed from Macros to static functions

Hg-commit: 7b64fe46b771f1e27250f571813ebf7716745437

Missing CHKERRQ

Hg-commit: 613840647284894b53773f5da2d50550e0ba056e

More fixes for MatDuplicate_SeqBAIJ() with MAT_SHARE_NONZERO_PATTERN

Hg-commit: 38c1faa242b8a1a9868ba381b1388d9b6670fbaf

Fix MatDuplicate() with MAT_SHARE_NONZERO_PATTERN for SeqBAIJ (with Jed Brown)

Hg-commit: 649b2a398cf9f4ed385a916bba68a9b2e0f9ac33

Rename include/private/ to include/petsc-private/

Hg-commit: 9a1730720b0d9756437b40462617551504641ade

MatMissingDiagonal_XXX bug fix - Break after the first nonzero diagonal is found.

Hg-commit: bc585624d25c8bbe0c4d4cbdc5899e659efe06ef

changed MatCreateMPIXXX() to MatCreateXXX() since that is what they are

Hg-commit: 88fb4066e05405d3c444fb00dd00ab15e805b3e3

Now MatSetValues() does not automatically mark the matrix as unassembled
- Individual types set the assembly flag if values need to be communicated
- This is done to allow programming in the followin

Now MatSetValues() does not automatically mark the matrix as unassembled
- Individual types set the assembly flag if values need to be communicated
- This is done to allow programming in the following way:
for(r = rStart; r < rEnd; ++r) {
MatGetRow()
<transform values>
MatRestoreRow()
MatSetValues()
}

Hg-commit: 1fc53ac2b8ab5649a32e5123d93f6c2f69dbdd4d

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Remove MatSetUpPreallocation() and MatPreallocated(). MatSetUp() required if not preallocated. Unify error reporting.

Hg-commit: 9dd5fa086e48409435f8bacb456e7397da336895

changed preallocation in MatTranspose_MPIBAIJ() to use defaults so does not trigger error when wrong
changed preallocation in examples to defaults to not trigger error

Hg-commit: e929bb000a53e0e2df3

changed preallocation in MatTranspose_MPIBAIJ() to use defaults so does not trigger error when wrong
changed preallocation in examples to defaults to not trigger error

Hg-commit: e929bb000a53e0e2df34acc376da5f3a8f880afc

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Fixes for insertion error options.

Option should be set if "real" preallocation information was
provided. If PETSC_DECIDE was used, then do not error. The option is
inherited through a DisAssemble_*

Fixes for insertion error options.

Option should be set if "real" preallocation information was
provided. If PETSC_DECIDE was used, then do not error. The option is
inherited through a DisAssemble_* operation.

Hg-commit: e675ef955f926f7569d867832ae3d74f566041a1

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changed docs about preallocating diagonal entries of matrix to only when planning to factor

Hg-commit: 62debd9818aa7a0dec4c1125f964afa7ec1bc5c4

mat_view routines intentionaly set low preallocation - so also disable MAT_NEW_NONZERO_LOCATION_ERR

Hg-commit: edc5daef6e31f57103f93b02b118ea3971db190f

Preallocation routines set MAT_NEW_NONZERO_ALLOCATION_ERR

Hg-commit: 631dbd3be1c5a3778cfbb484eb5cec7d7e4571a3

Mass revert file modes that were made executable in f6e61ee9c329

Hg-commit: 116d90d0b66125cee0db3e7351047057e756baf5