Add methods to generated Resource classes

[michalbundyra]

The Resource class generated when you create a new REST service does not contain the following methods, though they are defined in the AbstractResourceListener:

• patchList($data)

(Okay, it's only one...). The method should be added to generated resource classes.

---

Originally posted by @weierophinney at zfcampus/zf-apigility-admin#233