Add wysiwyg to "notes" and "abstract" in biblio node form.

#5820 

Output:
![selection_063](https://cloud.githubusercontent.com/assets/4497748/2652356/e6eefb6c-bfa9-11e3-8913-67e7d46e8e34.png)
![selection_064](https://cloud.githubusercontent.com/assets/4497748/2652357/e792f2ee-bfa9-11e3-8473-2a18b5e9c2e5.png)