SNESGetFunctionNorm gone as of PETSc 3.5.0

Have to explictly call VecNorm yourself now (and if you don't
have the residual Vec available, call SNESGetFunction).
Bugfix for netcdf with newer automake

The lack of a space between the generated "fi" keyword and the
following comment character seems to have been preventing bash from
finding the end of that if block.
Regenerate configure

Regenerating with old autotools for consistency
Merge pull request #287 from pbauman/petsc-3.5-fixes

PETSc 3.5.0 Fixes
Merge branch 'master' of https://github.com/libMesh/libmesh
more