Less content if page is_popup
Changed template extend
Less content in this special page
Bugfix in create_repositories function (only remove trailing character if is a slash)
Changed KEYS_PATH constant by MIGASFREE_KEYS_DIR (from settings.py)
In templates dir could be more depth than one level
Added DATE_FORMAT and DATETIME_FORMAT constants

MIGASFREE_*_DIR constants depend of DEBUG value (development vs. production environment)
Bugfix server views inclusion in production environment

Changed createrepositories URL