Bug#800444: game-data-packager: please add support for Marathon games

[Alexandre Detiste]

Package: game-data-packager
Version: 42
Severity: wishlist
Tags: newcomer

Please add support for Marathon game series.

https://github.com/Aleph-One-Marathon/alephone/releases
- Marathon-20150907-Data.zip
- Marathon2-20150907-Data.zip
- MarathonInfinity-20150907-Data.zip

These games can be played with the alephone engine; see #119911.