SNESShellSetSolve() fortran binding and bugfixes for organization of fortran_func_pointers in SNES.

Hg-commit: 0c116e2b05a8bbca1b13cf0ea408f59e4470e051

Merge from petsc-3.3, discards functional changes to fieldsplit.c since petsc-dev's fieldsplit was refactored

Hg-commit: 518adbf64b18ed466b131caa34f3b2cf707b60d7

removed PLAPACK interface
Removed generic MatGetArray/MatRestoreArray()

Hg-commit: 43ffc442c8fd7c7b840af42cbd49288755158b7c

commit after merge

Hg-commit: ee2c6307183ca19bc785d09a425ccbd5b4f06ca2

added MatSeqDenseGetArray() and MatSetRandom()
switched MatGetArray() for SeqDense to use MatSeqDenseGetArray()

Hg-commit: d91242180205aedab6a564c6081a3c979cd67075

merge from 33

Hg-commit: b233ae2df18a87d51c1464152042c17445f4ba78

Fixed default SNESLinesearch type-per-solver interaction with prefix introduced in a1d205c90feb for composed solvers; still works with apps the fix was for.

Hg-commit: 0d452f0c83efa02ed48192752845a8

Fixed default SNESLinesearch type-per-solver interaction with prefix introduced in a1d205c90feb for composed solvers; still works with apps the fix was for.

Hg-commit: 0d452f0c83efa02ed48192752845a85d33b552e5

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merge from 33

Hg-commit: fcf85c783eea43b41926a5894f4c39ade16496ad

Fix SNESMonitorJacUpdateSpectrum() when Lapack routines not available

Hg-commit: a39baf4c0c851491d5b47240596bbde494e84ce8

snes->linesearch inherits the snes prefix when SNESSetOptionsPrefix and SNESAppendOptionsPrefix are called

Hg-commit: a1d205c90febb961d4f3759fa5cce72ce60afb87

Wrapped call of GEEV in SNESMonitorJacUpdateSpectrum for ESSL and missing GEEV

Hg-commit: d01946145980533f72b6500bd243b1dd3666686c

Added SNESMonitorJacUpdateSpectrum to determine the rank of the difference between Jacobians at each update

Hg-commit: d69425809bb234bed7d9109969b77b02765f6003

Fix for DMSHELL interaction problem with SNES; Moved several things into SNESSetUp to enable snes->vec_sol to initialize vecs properly for snes_mf and DMSHELL

Hg-commit: d0746d0647eb5228a13a587356de

Fix for DMSHELL interaction problem with SNES; Moved several things into SNESSetUp to enable snes->vec_sol to initialize vecs properly for snes_mf and DMSHELL

Hg-commit: d0746d0647eb5228a13a587356de1e3a36f8e1ce

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Made snes->pc inherit the application context from snes

Hg-commit: 6a71213d1e0005ec93eafa0b886bd82a1ba8a18c

moved -mat_null_space_test to end of MatAssemblyEnd() so it can be used with any matrix
changed KSPSetOperators() to get the null space from the pmat, instead of the amat, so that -snes_mf_operator c

moved -mat_null_space_test to end of MatAssemblyEnd() so it can be used with any matrix
changed KSPSetOperators() to get the null space from the pmat, instead of the amat, so that -snes_mf_operator can work when user provides a null space in the operator

Hg-commit: 7153038d6b83108f5256f07a639d48762bde60bb

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Fixed memory leak in SNESDefaultComputeJacobianColor; half-fixed other recently introduced fd_coloring errors.

Hg-commit: 3833cc162eae9fcad1f4bbafce6bae6386cebf07

backout all chmod stuff in bf971ba58125
[but keep diffs to src/mat/impls/aij/mpi/mpimatmatmult.c ]

Hg-commit: 4a812fc1f35496ce2717c7da9ef12ffabbd13258