Some versions of OS X don't have printer setup utility.app so lets fall back on talking directly to CUPS to set the default printer for this user
don't attempt to generate script bridge headers for printer setup utility.app
there are some versions of OS X that don't contain System Events.app.  Removes the ability to stop the screensaver for now but maintains the ability to start it
don't attempt to include System Events.h
disables VPN action for now
release nstask
bump build
Small improvements to Network Location action. Don't call scselect when the required location is already set.