link: handle move and link back cases, for sandboxed apps/games

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add osx calendars, keychains, address book, fonts, and messages archive

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add Deponia, Another World (20th Anniversary Edition)

Signed-off-by: Christopher Larson <kergoth@gmail.com>