[CLEANUP] as per comments left in https://github.com/webdetails/cpf/commit/a010a1a91c25eaa3ea4e6a5130c16e649f2d0792
- updated year in license headers
- cleaned author comments
- updated license header in SimplePersistence.java
Merge pull request #18 from pedrofvteixeira/core-refactor

[CLEANUP] as per comments left in https://github.com/webdetails/cpf/comm...