PROJ/docs/source/operations/projections/bertin1953.rst, branch 6.2

PROJ/docs/source/operations/projections/bertin1953.rst, branch 6.2 Forked from https://github.com/OSGeo/PROJ Req. changes for Bertin1953: 2018-09-24T11:00:31+00:00 Philippe Rivière fil@rezo.net 2018-09-24T11:00:31+00:00 5f4fa9ccba63ac89e09035688588ced7649ff43f - classification - tests - coding style

- classification
- tests
- coding style

the Bertin 1953 projection 2018-09-21T15:55:08+00:00 Philippe Rivière fil@rezo.net 2018-09-21T15:55:08+00:00 6b0567b3c01ada8412a446310af9784124453099