Display PI and CIs

In the landing page, the PI and CI's will be added. To be displayed on the landing page.

assigned to @bodin

They are added as contributors, with role ProjectManager and ProjectMember. The contributors should only display DataCollector types (aka local contacts)

mentioned in commit 4fcd078c

mentioned in commit 5ccd79ee

mentioned in merge request !128 (merged)

mentioned in commit 0a52b73a

mentioned in commit a700985d

mentioned in commit c0f2b69d

mentioned in commit 8f243dc2

mentioned in commit 9f658eec

mentioned in commit 0d1fd438

closed with merge request !128 (merged)