Change the redirecting after signing in
Change the redirecting after signing in

When a Speakerin signs it, now she gets redirected to the
index page.
It makes more sense to show her directly her profile, so she
can edit it.

1000miles/speakerinnen_liste,1000miles/speakerinnen_liste,rubymonsters/speakerinnen_liste,1000miles/speakerinnen_liste,nerdinand/speakerinnen_liste,acid/speakerinnen_liste,rubymonsters/speakerinnen_liste,nerdinand/speakerinnen_liste,acid/speakerinnen_liste,BriocheBerlin/speakerinnen_liste,nerdinand/speakerinnen_liste,BriocheBerlin/speakerinnen_liste,rubymonsters/speakerinnen_liste,BriocheBerlin/speakerinnen_liste,acid/speakerinnen_liste