#scala @liftweb

* Added `extraData` for storing a map of provider-specific extra attribute/value pairs  
* Implemented `extraData` for Google+

Thank you [Emmanuel Eytan](https://github.com/eje211) for the contribution!

#scala @liftweb

* Added `extraData` for storing a map of provider-specific extra attribute/value pairs  
* Implemented `extraData` for Google

Thank you [Emmanuel Eytan](https://github.com/eje211) for the contribution!

Update to herald notes after preview
Update to herald notes after preview
