We assume that not all methods must be defined.

Also make the extra home orgs scriptable, which should help configuring
the discovery page very much.

for a nameid.

change AQ attribute source to work with AA and not only with IDPs

place.

closes #207

for OIDC users on missing refresh token, got mixed with other commit.

for OIDC users on missing refresh token

* groups were not correctly removed when a custom name was set
* members of groups that are derived from a project where not correctly
removed in some cases
* display of PIs for project service admins
* fix some styles
* Add group tools for admin regarding projects
* Reformat invitation accept page

also relates to github login. The email address is not transmitted from
github if not explicitly set visible, i think. That means #200 gets more
and more important.

To not reference bwreg-service from regapp-reg-ldap.