* TODO items for mpgrafic development

As of v0.3.7 these remain to be done. Tasks done: see NEWS.

** Update to fftw3 [priority: high]
   update from fftw2 dependence to fftw3 dependence:
   - help: http://www.fftw.org/doc/Upgrading-from-FFTW-version-2.html
   - in principle straightforward, but the upgrade has to
      be done for the mpi, fortran90 version of fftw3

** Portable modern fortran - kind [priority: medium]
   replace declarations such as "real(kind=n)", where n is an integer,
   by more portable values;
   - https://gcc.gnu.org/onlinedocs/gcc-3.4.6/g77/Kind-Notation.html
   - https://gcc.gnu.org/onlinedocs/gfortran/KIND-Type-Parameters.html
   - one line in src/mpnorm.f90, many lines in random.f90

** Portable fortran-C interfaces - replace number of underscores
   (ADD0US, ADD1US, ADD2US) in preprocessor defines by ISO_C
   methods

** Licence GPL-2+ ? [priority: medium]
   debate/decide: update from GPLv2+ to GPLv3+ ?
   Why: https://www.gnu.org/licenses/quick-guide-gplv3.html

** Doxygenise [priority: medium]
   doxygen documentation extractable from source code

** Keep or remove random.f90? [priority: low]
   debate/decide: retain random.f90 for users unable/unwilling to
   install GSL? or remove it?

** Yorick scripts [priority: low]
