fixed some unitialized variables warnings with MPI-uni

Hg-commit: 925a462303ee56a402b0355f3680130c52d4c99c

Updated help info for SNESSolveVI_SS

Hg-commit: 46ce5921da9448bdef49bc8a0479bcdb6c36c339

Removed bound projection line search routines and merged the code into original line search routines. There are four different line searches for the VI solver : basic, basicnonorms,cubic,and quadrati

Removed bound projection line search routines and merged the code into original line search routines. There are four different line searches for the VI solver : basic, basicnonorms,cubic,and quadratic.Each line search keeps the iterates in the feasible region by doing a projection onto the bounds. Additionally, if vi_type is reduced space then the line search only uses the function norm of the inactive variables.

Hg-commit: 8bd957af3dcbaef7684d096c21e6c9a412645b95

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fix missing include for Fortran stubs

Hg-commit: 49d045db79ffd6645b113ce3caa086a0176b754f

minor cleanup of VI code, removed as ss method because I didn't have a clue

Hg-commit: 0d48f18821dd0c0d940ebcdb1cec02e16e0d6ab8

replaced vi ss implementation with that from Todd's matlab code

Hg-commit: 171e14805558447091611bb410e7950b5a6d259a

commit after merge

Hg-commit: 0ea595a8f49b784fe0d01810e329605b57c26de1

fixed VI solvers to work for multiple solves with same SNES, moved changing of function pointers from setup to solve and reset at end of solve

Hg-commit: 90f41ff796f1974a7a1c6962f3e7eca24202eb05

Added line search which takes full newton steps but keeps the iterates within bounds.

Hg-commit: c30887fbf34c594eb7c88ebd041078ce5480832c

Reset KSP and PC in the first snes iteration if the inactive set size is smaller than the original system.

Hg-commit: 54d3eefe7887aeb3650dc41d05acfc0a41105fe4

Added reduced space active set algorithm with projected cubic line search.

Hg-commit: eca6405e1886c9780ac51790e37fc136186f9237

moved definition of PETSC_STDCALL to private/fortranimpl.h where it belongs
removed all DLL export/import stuff since it was never used and never will be
removed MatPermuteSparsify() since it sucked.

moved definition of PETSC_STDCALL to private/fortranimpl.h where it belongs
removed all DLL export/import stuff since it was never used and never will be
removed MatPermuteSparsify() since it sucked.

Hg-commit: 72f7a5e60333f6c9780d56fcce45657940d16b13

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changed all EXTERN to extern the CAPS served no purpose

Hg-commit: cdf5985509992c2237dbbe07f14278cccee0306c

Fixed the sign check on f for snes vi monitor.

Hg-commit: d3a450883e7b90ac2283d40a813db9010e0f94bb

Removed sign check on the function.

Hg-commit: 2976f39346d939f4080da0154eba0e9a25b1c6bf

try to fix SNESMonitorVI() to use original function not ss function

Hg-commit: 417a27735e92bc87fbaef3593cb4ec0b973d2b8c

add SVD solver for testing
fixed SNESMonitorVI() to include sign of f at endpoints

Hg-commit: 2720df5a8657cce461e62a85d7a63e401c4c853f

commit after merge

Hg-commit: 652f16aacd82d353d8f6263a3f08438591b51ab7

superlu should generate error on zero pivot
matmultadd should generate error if no function pointer

Hg-commit: b5a3e08a06a0d7d7940423f2b319a73272cd0b19

Used the merit function gradient in the calculation of initial slope for the cubic and quadratic line searches.

Hg-commit: f521cb51726fe18fd02926273a0567a1c5ba0597

reverted the merit function gradient code.

Hg-commit: 3009537ecdd094e69e0d904a6dfa2288921d57a2

Display algorithm type for snes_vi_type rs

Hg-commit: 1ece384e1d4112b7b5e6bd5d163d2a8a360cc6fc

Set pc operators and matsolverpackage when snes ksp is reset.

Hg-commit: 9bbd89a9e663cae9c5ba96a464f0382493aed7f4

Added a version of reduced space algorithm for SNESVI solver.

Hg-commit: ea8765e887a0a2ef54ba7f2e7527d40be79ab338

convert VI bounds from Matlab infinity to PETSc infinity
fix SuperLU so it doesn't crash viewing the matrix

Hg-commit: 06fe53680194c3b993bd2f60cd8ecec721aa2542