Added GIMPACT integration for moving concave meshes (interaction with all other Bullet collision shapes)

Thanks a lot to Francisco León Nájera for the contribution!

Extras/GIMPACTBullet/Jamfile

@@ -4,7 +4,7 @@ IncludeDir Extras/GIMPACTBullet ;
 
 Library GIMPACTBullet : [ Wildcard *.h *.cpp ] ;
 CFlags GIMPACTBullet : [ FIncludes $(TOP)/Extras/GIMPACTBullet ] ;
-LibDepends GIMPACTBullet :  ;
+LibDepends GIMPACTBullet : GIMPACT  ;
 
 
 InstallHeader [ Wildcard *.h ] : GIMPACTBullet ;