MacDestroyer: Include fdesetup from 10.8 which allows the old behavior to work on 10.9/10.10.

Also rename postflight to postinstall and add a title to the Makefile
Update repo readme as Macdestroyer is not payload-only
fdesetup10.8 throws exceptions for status, list and remove. So use fdesetup for those, just use fdesetup10.8 for add
Use srm to remove input plist
Add JollyRoger picture as account picture.

Account picture is not currently being set because corestoragehelperd is failing to convert the TIFF to a JPEG.
We could convert one of the default account pictures to JPEG using sips but including our own is more fun.
Replace fdesetup10.8 with fdeadduser
Remove testing CFShow calls
Added info about Santa.
Merge branch 'master' of https://github.com/ccaviness/macops