restructuring folders for dsn missions

data/assets/dsn.scene

@@ -11,17 +11,11 @@ asset.request('customization/globebrowsing')
 asset.request('scene/digitaluniverse/grids')
 
 -- Spacecrafts
-asset.require('scene/solarsystem/missions/voyager1/voyager1')
-asset.require('scene/solarsystem/missions/voyager2/voyager2')
-asset.require('scene/solarsystem/missions/voyager1/trails')
 asset.require('scene/solarsystem/dsn/testRADEC')
-asset.require('scene/solarsystem/missions/mro/mro')
+asset.require('scene/solarsystem/missions/dsn/spacecrafts')
 
 --labels 
  asset.require('scene/digitaluniverse/starlabels')
--- asset.require('scene/digitaluniverse/dwarfs')
-
-
 
 -- Stations
 asset.require('scene/solarsystem/dsn/stations')

data/assets/scene/solarsystem/missions/dsn/spacecrafts.asset

@@ -0,0 +1,8 @@
+--This asset file contains the DSN fleet of spacecrafts
+
+-- Added from previous missions
+asset.require('scene/solarsystem/missions/voyager1/voyager1')
+asset.require('scene/solarsystem/missions/voyager1/trails')
+asset.require('scene/solarsystem/missions/voyager2/voyager2')
+-- added specifically for dsn visualization
+asset.require('scene/solarsystem/missions/dsn/mro/mro')

data/assets/scene/solarsystem/missions/voyager2/voyager2.asset

@@ -49,7 +49,7 @@ local Voyager2Main = {
         },
         ColorTexture = models .. "/voyager-main.jpg",
         ModelTransform = RotationMatrix,
-        LightSources = lights.LightSources
+        LightSources = lights.StandardLights
     },
     GUI = {
         Name = "Voyager 2 Main",
@@ -68,7 +68,7 @@ local Voyager2Antenna = {
         },
         ColorTexture = models .. "/voyager-antenna.png",
         ModelTransform = RotationMatrix,
-        LightSources = LightSources
+        LightSources = lights.StandardLights
     },
     GUI = {
         Name = "Voyager 2 Antenna",
@@ -76,8 +76,6 @@ local Voyager2Antenna = {
     }
 }
 
-
-
 assetHelper.registerSceneGraphNodesAndExport(asset, {
     Voyager2,
     Voyager2Main,