Updates sv_SE. Props Alex Berthelsen
Readme
Readme
Updates sv_SE
Do a better job concatenating the accept-invitation link

This should fix problems with certain registration page/slug combinations.
Whitespace
Be smarter when concatenating form action on group invite page
Readme update
Bumps numbers to 1.0.21
Merge tag '1.0.21'

Tagging 1.0.21