thoughtbot/shoulda-matchers — pull request #508 by mkaschenko (2014-04-24 05:52:58+00:00)
Title: Rename ensure_inclusion_of to validate_inclusion_of

It's about #188 and #504.

There are two thing I'm not sure about:
1. I didn't touch file NEWS.md.
2. I didn't add any deprication.