scambra/devise_invitable — pull request #483 by dmitrynop (2014-07-07 15:39:53+00:00)
Title: Passing block to instance #invite! method

Ability to pass a ruby block to `instance#invite!`
Ex:
```
user = User.new
user.invite! { |u| u.skip_invitation = true }
```
Similar issue - #460