removed PETSC_ARCH/conf/base and
added support for not setting PETSC_ARCH and PETSC_DIR with --prefix option

Hg-commit: e478f4df238e5763b64567336d7cf94ca5d89d58

factor common options for PCSetFromOptions_ILU(), LU() etc into PCSetFromOptions_Factor()
rename PCFactorSetPivoting -> PCFactorSetColumnPivot

Hg-commit: 9fc226d4711fc60f38c040374fd14f9fe3620f06

changed PetscOptionsName() and PetscOptionsHasName() to return true if option is set, regardless of the value it is set to, include 0 and false
changed most uses of these routines to the Truth vari

changed PetscOptionsName() and PetscOptionsHasName() to return true if option is set, regardless of the value it is set to, include 0 and false
changed most uses of these routines to the Truth varient

Hg-commit: fd6366abd7eb1f3ec925faa0ecd078d5cc025eb2

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fixes, cleanups, and heavy review of the meany XXXRegisterAll() calls

Hg-commit: a22e06998b33293c00422f45f4010e18e1dfb00e

removed -I$PETSC_DIR from make system and changed the corresponding
#include "src/dsdsdsds" to "../src/sdsdsds" in the source code

Hg-commit: 6e3c4cc4b4bfcb366bae9b71afcb5009c1f0429d

added PCFactorGetMatSolverPackage()

Hg-commit: a123d5b4378bd8a00fad3da3e3525ceb2ae3ebe5

moved much of the PC_Factor methods inside the individual ilu/lu/icc/cholesky files into a single
copy in the factor directory
fixed output from some example tests that do -ksp_view to contain the

moved much of the PC_Factor methods inside the individual ilu/lu/icc/cholesky files into a single
copy in the factor directory
fixed output from some example tests that do -ksp_view to contain the new solver package information
that is now printed

Hg-commit: f303c70be042abf5c2b17ed52c7a90c376106dc8

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merged common fields of Factor preconditioner into PC_Factor base class

Hg-commit: e4d76e70e3f11265d8bb736f6d921cb6c5c43fbd

pass MatFactorInfo as const into factorization routines, they shouldn't be changing it.

Hg-commit: 06e09652bd7d2f02616c7256594ec565736aabbf

1) The first argument to MatXXXFactorSymbolic/Numeric() is now the factored matrix
2) The assigment of the MatXXXFactorNumeric ops pointer is now done in the symbolic factorization
the assigment o

1) The first argument to MatXXXFactorSymbolic/Numeric() is now the factored matrix
2) The assigment of the MatXXXFactorNumeric ops pointer is now done in the symbolic factorization
the assigment of the MatSolve pointer is now done in the numeric factorization
(This is because only then do you know the right pointer that should be used)

Hg-commit: efc00afbc7c5103f2f56fd96963db2c4cf4e1ed4

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added MAT_SOLVER_PETSC and put its use in to replace "petsc"

Hg-commit: fb5c62a1c792f5910ab22585ae231ff32b4b671f

commit after most of merge of petsc-dev with petsc-dev-new-solvers with new way of handling external solvers

Hg-commit: 7c86fa28bc8468b955cc6a62edd1de55d6c3d700