portmgr/dmg/postflight: Copy the postflight script from the release_1_6 branch so the changes will not be lost or forgotten
portmgr/dmg/postflight:
Copy the postflight script from the release_1_6 branch so the changes will not be lost or forgotten

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@38037 d073be05-634f-4543-b044-5fe20cf6d1d6

neverpanic/macports-base,macports/macports-base,danchr/macports-base,neverpanic/macports-base,danchr/macports-base,macports/macports-base