Parse quoted printable for Author field

Author field in PatchGrid is not handled correctly when it's encoded as quoted printable

![authorfield](https://cloud.githubusercontent.com/assets/483659/4117407/97c4d1fa-3291-11e4-9ac5-bcc53578330b.png)
Does anyone know how to reach this code path? And also if we do reach it is the value encoded as quoted printable?