Début de la gestion d'upload de couvertures et de génération d'export
Basic handling of covers, upload/delete
Adding the upload folder for covers to .gitignore
Merge branch 'master' of https://github.com/segle/downpub
Ajout de l'export en epub
Added basic export and downlown links
gitignore update
gitignore update and existing epubs removing
Tuning views and send_from_directory calls