Bump hdf5 version to 1.8.13 (fixes issue #388).
Bump netcdf4 to version 4.3.2.
Add patch to fix error when building netcdf4 with hdf5-1.8.13.
Merge pull request #389 from hashdist/johannr/hdf5-1.8.13

Bump hdf5 version to 1.8.13 (fixes issue #388)