Fix NPE when anonymous admins are editing a repository (issue-490)
Merged #147 "NPE in RepositoryNamePanel for anonymous admins"
Do not stamp raw servlet responses with cache-control headers
Merged #148 "Do not stamp raw servlet responses with cache-control headers"
Create email address for a user if unset for repo creation
Merged #149 "Repo creation with initial commit fails if user does not have an email address"
Do not drop missing owners from owners palette
Merged #150 "Edit repo drops missing owners from owners list"