Ensure all CRW code is EPL v2, not v1

I've noticed that new files being created in CRW bear the old EPL v1 header. This is invalid – they must have EPL v2 on them.

Here's a plugin for Eclipse that can be used to facilitate the migration from EPL 1 to 2:

https://drive.google.com/file/d/1mMlFVs7dv-VDljhL3_JbIZL7LkU89kcZ/view?usp=sharing