Small fix in NewtonSolver for residual computation.
Fix updating of iteration count.
Add slurm to the available backends for the submit function.
Move Numpy include directory infront of Python include directory for the
SWIG modules, so that system wide NumPy can coexcist with a locally
installed NumPy.
Merge branch 'johannr/add-slurm-backend'
Merge branch 'garth/nls-krylov-fixes'
Merge branch 'johanhake/fix-issue-148'
Remove remnants from symmetric_assemble interface, which was previously removed.
  -- Deprecate passing bcs to the python assemble function