Implementing Saml2 logout based on djangosaml2 logout implementation
Now, the logout run when the dashboard is the issuer of the logout
Implemented the saml logout when the IDP is asking to logout on the SP Logout Service
Implemented some logout view tests
Implemented some tests for logout service
Update the pysaml required version
Fallback for non users in context
Upgrade the pysaml2 version according to nordunet pypi repository