ajout de la session en memoire
ajoute des tests galleries/images
ajoute des tests pour minitutos
Merge pull request #619 from zestedesavoir/issue_576

ajout de la session en memoire
Update markdown : upstream + feature
corrige les erreurs pep8
correction typo
Merge pull request #622 from zestedesavoir/add_tests

Rajoute des tests sur les galeries, les images, et les minitutos
Fix smarty use
Merge pull request #623 from zestedesavoir/update_markdown

Update markdown : upstream + feature
add test for create a gallery with an empty title
check in new gallery form if title is not empty
correct misspelling in gallery tests
fix pep8 newline
Merge pull request #626 from poulp/dev

Création d'une galerie sans titre
Merge branch 'dev' of https://github.com/zestedesavoir/zds-site into delete_image_on_change
mention dependencies in doc + fix repo location