update games/tome4 to 1.5.9

Changes: https://te4.org/blogs/darkgod/2018/05/news/tales-majeyal-159-aka-last-patch-us-out

This update is compatible with Forbidden Cults DLC release:
https://te4.org/blogs/darkgod/2018/05/news/tales-majeyal-forbidden-cults-now-released

As with other DLCs, place the file in $HOME/.t-engine/4.0/addons if you bought it.