modified:   src/events/newEvent.js
	modified:   src/views/editView.js
	modified:   src/views/elements.js

page to view events and drop down details

In order to be able to refresh single data lists (e.g. the groupmemberships after
a membership got added), this commit disentangles data from view and enables the
outside userTool to refresh single lists.

- authentication will not check every time but simple catch an authenticated request
- api communication is separated from view definitions