Added support for bump mapped planets.

data/solarsys.ssc

@@ -65,6 +65,7 @@ Planets [
 	{
 		Name "Moon"
 		Texture "moon.jpg"
+		BumpMap "moonbump1k.jpg"
 		Radius   1737.53
 		Oblateness 0.002
 
@@ -82,6 +83,7 @@ Planets [
 {
 	Name   "Mars"
 	Texture "mars.jpg"
+	BumpMap "marsbump1k.jpg"
 	Color   [ 1 0.75 0.7 ]
 	Radius 3394
 	Oblateness 0.006
@@ -539,6 +541,7 @@ Planets [
 {
 	Name   "Pluto"
 	Texture "pluto.jpg"
+	BumpMap "plutobump1k.jpg"
 	Radius 1137
 
 	# orbital data