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This patch explicits what the make-ring --init command really does as
it might be confusing to use.

Change-Id: I0044aee3733d18ebb45c2b7c00a1b073f9a33336
Reviewed-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>

Change-Id: I81e1021017c8122edb6b2675ebf36363b022de1e
Tuleap: #637

This new documentation can be built using `make docs`. It should be
built automatically via a hook on github and published on
https://ring.readthedocs.org.

This allows for much better formatting and is more pleasant to browse
for new contributors. It is possible to build the docs using the
Makefile at the root of the repository.

Change-Id: I664d4662b76c525f2a67eac6266bada3e94aa835
Tuleap: #595