tao: untabify sources

more format cleanup of tao

more formating of tao code

update more tao code to modern PETSc, remove PETSC_NULL, some formating

we don't use mpisize or mpirank in PETSc source

tao: run dos2unix on bmrm.h

"/export/home/petsc/petsc.clone-2/src/tao/unconstrained/impls/bmrm/bmrm.h", line 1: warning: invalid white space character
in directive
"/export/home/petsc/petsc.clone-2/

tao: run dos2unix on bmrm.h

"/export/home/petsc/petsc.clone-2/src/tao/unconstrained/impls/bmrm/bmrm.h", line 1: warning: invalid white space character
in directive
"/export/home/petsc/petsc.clone-2/src/tao/unconstrained/impls/bmrm/bmrm.h", line 2: warning: invalid white space character
in directive

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tao: fix comments from // to /* */

tao: libtao -> libpetsctao [as gmake/cmake builds automatically add petsc prefix]

tao: cg.c -> taocg.c [to avoid conflict with ksp/cg.c]

TAO: Update for no type arguments in PetscNew and PetscNewLog

I used Jed's script from b00a91154f763f12aa55f3d53a3f2776f15f49e3,
but removed the '-- $1' bit (which I didn't understand and which
didn

TAO: Update for no type arguments in PetscNew and PetscNewLog

I used Jed's script from b00a91154f763f12aa55f3d53a3f2776f15f49e3,
but removed the '-- $1' bit (which I didn't understand and which
didn't work) to get

git grep -l 'PetscNew\(Log\)\?(' | xargs perl -pi \
-e 's@PetscNew\([^,;()]+ *, *@PetscNew(@;' \
-e 's@PetscNewLog\(([^,;()]+) *,[^,;()]+, *@PetscNewLog($1,@;'

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tao: include/tao-private/ -> tao-private/

tao: fix include from src/* to ../src/tao/*

tao: remove OBJSC/OBJSF from makefiles

tao: fix LOCDIR in makefiles

tao: switch src makefiles form using tao/conf to petsc/conf

tao: move tao/src/* petsc/src/tao/