src/ dir re-organization complete ... for now

[John W. Eaton]

On  3-Aug-2012, Rik wrote:

| 1) autogen.sh no longer seems to terminate properly.  I think this is
| related to the recent gnulib update because the last command it starts is
| build-aux/bootstrap.sh.  I never see the last commands of autogen.sh such
| as 'echo "replacing all occurrences of g77 with gfortran in configure
| script..."'.

It looks like bootstrap script is exiting with a status of 1, so the
set -e in the autogen.sh script forces it to exit there instead of
continuing.

I'm not sure why bootstrap is suddenly exiting with a nonzero status.

jwe