Moved out installation phase to separate classes, separating packages and flat-file installs. Made the DMG cleanup less horrifying. All-around prettification. This may or may not break the world; please let me know.
Replaced use of SystemVersion.plist with Gestalt()
…ttle method - ie, no more internetenable. Thanks to Steve Gehrman from CocoaTech. Also fixed a bug with the host app extension method, the recursive find-the-app-in-the-archive method, and made the extension comparison case insensitive for extraction purposes.