If the pre flight checks fail, print the reason prior to exiting
If the pre flight checks fail, print the reason prior to exiting


git-svn-id: 0c33e958600270102f91bf5868e396345dde476c@14573 e27351fd-9f3e-4f54-a53b-843176b1656c

red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver,red-hood/calendarserver