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

Resolve "Add user update via e-mail callback"

Closes #206

See merge request kit/reg-app/regapp!84

Update HeadBarBean.java: correct new gitlab-url

See merge request kit/reg-app/regapp!87

place.

closes #207

Resolve "Add simple checkAccess method for SAML SPs"

Closes #209

See merge request kit/reg-app/regapp!86

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

on script basis

Resolve "Subprojects for approved projects"

Closes #191

See merge request kit/reg-app/regapp!83

This commit includes a few changes:
* Add self as member with project creation
* Correct layout of project invitation page
* Add page to edit project admins
* Create sub project page

Resolve "SSH key deletion bugged"

Closes #205

See merge request kit/reg-app/regapp!82