Merge pull request #12 from haum/master

site de howto_siteweb_haum_v2
tentative correction annotation malformatté
correction annotation
correction annotation
update agenda
Merge branch 'upstream' of github.com:haum/website into upstream
tentative correction annotation malformatté
Merge branch 'upstream' of github.com:haum/website into upstream
tentative correction annotation malformatté
Merge branch 'upstream' of github.com:haum/website into upstream