corporate vita: do not show event memberships.

trello:
https://trello.com/c/dRmMDam1/688-korrektur-der-wingolfitischen-vita
corporate vita: fixing specs.

trello:
https://trello.com/c/dRmMDam1/688-korrektur-der-wingolfitischen-vita
fixing nav path for users.

trello:
https://trello.com/c/dRmMDam1/688-korrektur-der-wingolfitischen-vita