fixes #16085 - update Rails to 4.2.7.1
(cherry picked from commit 3a59bbb72066d9d7a965fe49e40724fd55dee2c6)
fixes #16085 - update Rails to 4.2.7.1
(cherry picked from commit 3a59bbb72066d9d7a965fe49e40724fd55dee2c6)