No need for install-time option.

Will copy to /private/var/db/ConfigurationProfiles/Setup if the package
isn't being installed to the boot volume.
Updated readme and help text.
Fixed the post install script when installing to non-booted volumes.
Adds munki-import option
Update readme to cover new functionality
postinstall script tidying
No PackageInfo template currently required

- since we're no longer dynamically marking for restarts
Only require munkiimport executable if we're importing into Munki
Group Munki-specific options
Use output dir as a configurable option (defaults to cwd)
Write uninstall script to output directory alongside pkg