AGS: Unknown game variant (The Samaritan Paradox demo)

[GateKeeper-Adventurer]

The Samaritan Paradox (demo) is not detected by ScummVM.

The game in 'The Samaritan Paradox\' seems to be an unknown game variant.

Please report the following data to the ScummVM team at https://bugs.scummvm.org/ along with the name of the game you tried to add and its version, language, etc.:

Matched game IDs for the ags engine: samaritan

{"samaritan.exe", 0, "615e73fc1874e92d60a1996c2330ea36", 58948145},

This is the commercial demo for the game that can be downloaded from the publisher's website:

​http://www.screen7.co.uk/games/download/TheSamaritanParadox_Demo.exe

[tag2015]

Thanks for the report!
Added in ​b0eeec4