jenkinsci/launchd-slave-installer-module — pull request #1 by rhwood (2012-11-23 22:13:25+00:00)
Title: Use LaunchDaemons in /Library instead of /System/Library

On OS X, Apple reserves the use of /System/Library for its own use. Therefor, Jenkins should install the slave launcher in /Library/LaunchDaemons instead of /System/Library/LaunchDaemons (a full install of Jenkins already uses the correct Library directory).