Updates demo fixtures by adding path field, and default 'home' key.
Adds path field and updates it before every save.
Replaces as_list rest method by standard GET method without key but params.
Updates base viewset default parsers, replace nuage token retrieve method by create method to manage token request through POST (+ refactoring).
Renames api resouces without 's'.
Updates rest framework defaults auth and permission classes.
Updates js URL var names.
Adds missing requirement.