added after_sign_in_path method for new user with pending invites, updated invite response test
added test for user with pending invite but with membership to a company already
moved comment to correct position, oops
updated for more dynamic pending invites method
updated user model to have sent and received invitations
changed received_invitations method to user association
fixed merge conflict in gitignore
Merge pull request #41 from rescuedcode/direct_new_users_to_invites

Direct new users to invites