projet de pfe

Signed-off-by: nejm <nejm.hidri@gmail.com>
Merge pull request #8 from haddada/master

specialite version 0.0
Merge pull request #9 from haddada/master

specialite v 0.1
Merge pull request #11 from haddada/master

specialite v1.0
Exportation done
Export pdf
delete article, delete media, pdf export done
stuff
resolve conflict