Merge from release

Hg-commit: 96d38ca60288f36095570ee25c31720535ca6d47

add in another default options file - $PWD/petscrc in additiona to $PWD/.petscrc

Hg-commit: 389df27a7fce9fb791367ed20923ca010db5eee4

Added some good error messages when users do not call PetscInitialize()

Hg-commit: 2cb1f9a4da9f521f1bea2dfd29ffaf32fe37e76b

fix log_summary option check

Hg-commit: 98d5a783428fda70c6dd0cf27cd5723ea9c261d9

commit after pull of petsc-3.0.0 with fixed docs for PetscOptionsInsertFile()

Hg-commit: 7492a49835a440b2bc576f6d2c296a0fc1b39b1c

PetscOptionsInsertFile() is actually collective on the MPI_Comm

Hg-commit: d69f25b5a56073c873e6ffefedc239a18fd8fd91

merge from release

Hg-commit: 2b7a7d71963e7893197575adcffbd9e29a0afb26

Petscgetline() bug fixes
- check return code of fgets() and set null porinter correctly when it fails
- replace incorrect usage of 'last' with 'len'

Hg-commit: 5c897440d9e9ec280950fb48963d6067228a

Petscgetline() bug fixes
- check return code of fgets() and set null porinter correctly when it fails
- replace incorrect usage of 'last' with 'len'

Hg-commit: 5c897440d9e9ec280950fb48963d6067228abf80

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commit after merge of patch from 3.0.0 for faster PetscBinaryWrite()

Hg-commit: 272378aa41244d7473de0ea3caa121579e4031f8

#19373 c++ compile fixes

Hg-commit: e16911e351a95349c6228121da73e2676bb8091f

commit after pull of two patches from 3.0.0

Hg-commit: 09be8607786d079dca91b5fdb1f1e4f203cff325

added Fortran version of DMMGSetNullSpace for petsc-maint 19,266

Hg-commit: 65458427c6a576df472719b2a58b7f99e0993726

support larger number of options in options file; still should be fixed to supported unlimited size but this should be good enough

Hg-commit: 967829b6d48ca418de369f32b2ee6a7dfd8a6869

fixed PetscOptionsInsertFile() to support any length lines (long arguments)

Hg-commit: e4cebb2b898ce98bcd7b16fd2cd22960826f71d3

continued bugfix for PetscOptionsTruth()

Hg-commit: 51255b3c76fbd10a27cdc3d009c391b239a91e23

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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commit after merge from petsc-3.0.0

Hg-commit: fe2b1d4a209804427bebd09014d0a5ddc55788dc

fixes to mpibaij.c found in nightly build
fixes to wrong use of CHKERRQ() throughout code

Hg-commit: 733dea1e39d18170feab68a0e7a269e3248a628a

Fixed up HDF5 support for PetscViewer() for VecView() and VecLoadIntoVector() for DA created vectors.
Tested in src/dm/da/examples/tutorials/ex9.c

Hg-commit: 09470055899d2d5bee51dded92f5d92042b54d

Fixed up HDF5 support for PetscViewer() for VecView() and VecLoadIntoVector() for DA created vectors.
Tested in src/dm/da/examples/tutorials/ex9.c

Hg-commit: 09470055899d2d5bee51dded92f5d92042b54d6c

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minor documentation fixes from magpar group

Hg-commit: 0dec893bb7a1e7b16cbfad07bd3b7c5bc57bf5ec

zope interface did not properly protect against incomplete or missing
socket routines. Fixed by removing zope specific socket opener and using
the petsc socket viewer one instead. Also protecte

zope interface did not properly protect against incomplete or missing
socket routines. Fixed by removing zope specific socket opener and using
the petsc socket viewer one instead. Also protected the start up of
zope for only when socket viewer is available.
Problem crops up on Cray

Hg-commit: 85465220e8b7e4ac0836a807724622a785372a36

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Added Fortran wrappers for PetscGlobalSum/Max/Min()

Hg-commit: 1f20c9217e7237a05e0a32075f1c9ff5b8b1f109

PetscGetArgs() is now supported even if main program is Fortran

Hg-commit: d4e668c9a0506d1e9e86bb96d015f9b160729313

fixes for make working Fortran+Python

Hg-commit: bae17ac1b9daadd37f802b3060487532ffa6a584

MatGetRowMaxAbs_MPIAIJ and MPIBAIJ loop was over columns should have been over rows

Hg-commit: 348ca1df2bfee8fdf26e652f8cf4bd672b5d7da3