fix some TAO source code formatting

exit tron gracefully when no free variables

simplify option object names

updated new XXXSetFromOptions_YYY() methods to take PetscOptionsObjectType

manual merge of conflict

mv include/finclude to include/petsc-finclude for namespacing in installs

-ksp_richardson_scale was ignored when PCApplyRichardson() was used
Fix: turn off PCApplyRichardson() when scale is not 1 and print PetscInfo warning

Reported-by: Mark Adams <mfadams@lbl.gov>

Fixed

-ksp_richardson_scale was ignored when PCApplyRichardson() was used
Fix: turn off PCApplyRichardson() when scale is not 1 and print PetscInfo warning

Reported-by: Mark Adams <mfadams@lbl.gov>

Fixed missing carriage return in uses of PetscInfo() and missing ierr CHKERRQ() usage

show more ...

PetscLogFlops() must always be passed as double from Fortran

Merge branch 'barry/fix-options-default'

Conflicts:
src/ksp/ksp/examples/tutorials/ex52.c

update use of PetscOptionsBool() to not rely on default setting automatically

cleanup of use of PetscOptionsInt and friends including use of flag final argument

Merge branch 'maint'

Conflicts:
config/BuildSystem/config/packages/MPI.py

remove d0 and d300 from tao examples

reassemble hessian after bqpip sets diagonal

tao->ksp_its is per iteration, tao->ksp_tot_its is per solve