PROJ/travis/build_docs.sh, branch backport-2856-to-master

Doc building: fix warning regarding Altamimi2002 citation not found

2018-09-29T11:32:34+00:00

There was an issue since transformation.rst which uses this citation is
alphabetically after references.rst.
The documented workaround in https://github.com/mcmtroffaes/sphinxcontrib-bibtex/issues/8
is to rename references.rst as zrefereces.rst, so it is alphabetically last.

travis/build_docs.sh: Make it error on exit, and improvements to be able to easily run it locally

2018-08-20T11:58:40+00:00

reflect new osgeo/proj-docs docker container for documentation builds

2018-08-13T14:18:43+00:00

workaround for issue with sphinxcontrib-bibtex

2018-06-10T07:42:09+00:00

Get PDF build output with Sphinx healthy (#533)

2017-06-29T18:17:26+00:00

* Get PDF build output with Sphinx healthy

* copy pdf to branch for upload on website

Build and deploy proj4.org website with every commit to the

2016-03-03T15:55:26+00:00

master branch. proj4.org uses the Sphinx documentation stack, and
it is located in the ./docs directory.