Don't try to load the FSEvents listener on older versions of OSX that don't support it.
Don't try to load the FSEvents listener on older versions of OSX that don't support it.

baberthal/guard,pjump/guard,yujinakayama/guard,ginkel/guard,guard/guard,sideci-sample/sideci-sample-guard,sdgdsffdsfff/guard,100star/guard,garettarrowood/guard