Added support for checking coding standards of docs
wording of comment for build filepath improved
Merge pull request #524 from dkillick/pep8_check_docs

Added support for checking coding standards of docs
Export to GeoTIFF refactor.
PP save default gridded polar axis.
Merge pull request #548 from bjlittle/iris_wind_atlas_again

Export to GeoTIFF refactor.
Switched from sample data to test data.
Merge pull request #546 from bjlittle/pp_cs_save

PP save default gridded polar axis.
Merge pull request #552 from esc24/traj_test_data

Switched from sample data to test data.
NAME fileformat support.
Merge pull request #550 from esc24/name_loader

Added support for loading NAME files
Added a compositing example.

Example of producing composites of El Nino/La Nina.