Install in DESTDIR
Install in DESTDIR

Summary: Closes https://github.com/facebook/redex/pull/184

Differential Revision: D4173339

Pulled By: int3

fbshipit-source-id: 61983506af76012ea5f433bcb9ecd77d298a6782

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex