Neverwinter Nights 2: handle both native mac and windows paths

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Back to the future: handle both native mac and windows paths

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add Unreal Tournament 3, Deathspank, The Baconing, ScummVMWrapper

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add 0ad, Bejeweled 3

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add Quake 3, hexen 2, darkplaces, harvest, xonotic, dune legacy, opentyrian, openarena, wesnoth

Signed-off-by: Christopher Larson <kergoth@gmail.com>