Configuration: switch to version 0.4

Change release in conf.py.

Signed-off-by: Olivier Carrère <carrereo@gmail.com>
Acked-by: Angela Cristina <acristina@redaction-technique.org>

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
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# Date:      Wed Oct 29 07:50:11 2014 +0100
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# rebase in progress; onto 0cd363a
# You are currently editing a commit while rebasing branch 'master' on '0cd363a'.
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# Changes to be committed:
#	modified:   conf.py
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# Untracked files:
#	#commitlog.txt#
#	#documentation-code-source-gerer-les-projets-de-documentation-multilingues-dita-xml.rst#
#	"Inline markup \342\200\224 Sphinx 1.2.3 documentation.html"
#	"Inline markup \342\200\224 Sphinx 1.2.3 documentation_files/"
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