Natural language parsing

[Javarome]

We should be able to parse text (testimonies, bio, etc.) in order to extract semantic information from it (sighting caracteristics, witness(es) and sighting locations/orientations/elevation).

See :

• https://github.com/NaturalNode/natural
• http://wonef.fr/

Should be supported in 1) French 2) English. See https://github.com/wooorm/franc