Ajout partie Cas d'utilisations
Merge branch 'master' of https://github.com/El-gitano/CProject

Conflicts:
	Documentation du projet/Cahier des charges/Version Latex/CDC_version_Latex.aux
	Documentation du projet/Cahier des charges/Version Latex/CDC_version_Latex.log
	Documentation du projet/Cahier des charges/Version Latex/CDC_version_Latex.pdf
	Documentation du projet/Cahier des charges/Version Latex/CDC_version_Latex.toc
Merge branch 'master' of https://github.com/El-gitano/CProject