Fix netCDF4 python package at version 1.0.2 for travis-ci
Merge pull request #695 from esc24/travis_netcdf4_fix

Fix netCDF4 python package at version 1.0.2 for travis-ci
ENH: working animation of cubes

This enhancement adds a wrapper for animating an iterator of cubes.
This is an experimental feature as the API is likely prone to change.