[games-rpg/grimrock] bump + dep fixes

Signed-off-by: Vadim A. Misbakh-Soloviov <mva@mva.name>
Make unknown-horizons use bsddb3 instead of the berkDB USE-flag for python (which is unmaintained)
[games-roguelike/ftl] version bump

Package-Manager: portage-2.2.0_alpha149
Manifest-Sign-Key: 56501166
Merge branch 'master' of git+ssh://git.overlays.gentoo.org/proj/gamerlay
Drop BOOST_FILESYSTEM_VERSION-define as it was only necessary during the transition from 2 to 3
Merge branch 'master' of git+ssh://git.overlays.gentoo.org/proj/gamerlay