Fix hardcoded domain authority Webapp URL redirection after a logout of the SOCIETIES Webapp.
The hardcoded value is kept, but only used for HWU JIDs. By the way, there is a missing feature in SOCIETIES here, because we can't know the Domain Authority Webapp URL in a User Cloud Node.
Update Webapp design to provide a better user experience
Merge branch 'development' of github.com:societies/SOCIETIES-Platform into development