Classic/experimental/civ2civ3 Buoys do not claim borders.

See patch #3878


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@22840 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Corrected name of the book from "Stalker" to "Roadside Picnic"

See bug #20787


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@22841 a0f10bec-cc02-0410-94fc-a9cfff90b4cd