Get ready
"""
The PHP 7 timeline indicates a stable release in mid-October, subject to quality. We are currently on release candidate cycles, and an beta version is already available for tests.
"""

c'est la bonne méthode.
testé approuvé pour passer de 0.17.5 à 2014.1.4
faire un salt '*' saltutil.sync_all avant upgrade minion.

http://nginx.org/en/docs/control.html#upgrade