Why does this not work?! BUG: It seemed as the 'events' in User didn't contained all events until now. We just never took them from there...
invited_events does not work, WHY???!!
My fix proposal.
This should solve it
created_events got lost
Refactored users#index
rm friendship#index since not used
Added clean model validators for friendship
Refactor friendship#create
Refactored friendship#destroy, added todo... lol
Merge remote-tracking branch 'origin/dev' into fix/todos
Refactored friendship index view
Refactored show view as well
Created Data Center and first Chart.

I opted to use chartkick gem: http://ankane.github.io/chartkick/
I’m very impressed by its capabilities :D
Some improvements + more seeds.
Made the resource name configurable and made some other minor changes.§
Some more example charts.
Changed view slightly.
WIP, not working! Working on friendships, don't get it, need help...
Fixed the db problem without altering the model too much. It's a bit hacky
because the model implements a "arrow-relation" (" => ") but then only creates half
the entries which are needed and infers the other ones. Maybe we should
either create all entries (new fried => 2 entries made) or come up with an
idea how two model a "<=>" relation properly.