data['email'] raises KeyError with velruse.google.scope = 'opend profile'

[invisibleroads]

In velruse.providers.google_oauth2, using velruse.google.scope = 'opend profile' provides the following keys:

>> data.keys()
[u'family_name', u'name', u'picture', u'locale', u'gender', u'birthday', u'link', u'given_name', u'id']

Since email is not available, data['email'] raises KeyError

[invisibleroads]

Using velruse.google.scope = 'opend' also raises the same KeyError.

[mmerickel]

whoops, if we're letting those be optional then I guess that'll have to be updated