src/GLUI.hs: port to opengl-2.9

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
compile-and-run: use local data instead of installed

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
LambdaWars.cabal: fix tests build failure

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Merge pull request #16 from trofi/master

lambdawars: port to opengl-2.9