mxcl/homebrew — pull request #12932 by slarew (2012-06-20 05:39:32+00:00)
Title: Fixed KeepAlive in nginx launchd plist.

Nginx daemonizes which launchd doesn't like. Launchd would try to relaunch nginx due to the KeepAlive=true attribute. By setting KeepAlive to false and letting nginx daemonize, launchd is pacified.