Relocating sky related assets.

Also reduced duplication of the "empty" solid color sky cubemaps.

Templates/Empty/game/art/skies/.gitignore

@@ -1 +0,0 @@
-# Keep directory in git repo

Templates/Empty/game/art/skies/night/materials.cs

@@ -0,0 +1,53 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+singleton CubemapData( NightCubemap )
+{
+   cubeFace[0] = "./skybox_1";
+   cubeFace[1] = "./skybox_2";
+   cubeFace[2] = "./skybox_3";
+   cubeFace[3] = "./skybox_4";
+   cubeFace[4] = "./skybox_5";
+   cubeFace[5] = "./skybox_6";
+};
+
+singleton Material( NightSkyMat )
+{
+   cubemap = NightCubemap;
+   materialTag0 = "Skies";
+};
+
+singleton Material( Moon_Glow_Mat )
+{
+   baseTex = "./moon_wglow.png";
+   emissive = true;
+   translucent = true;
+   vertColor[ 0 ] = true;
+};
+
+singleton Material( Moon_Mat )
+{
+   baseTex = "./moon_noglow.png";
+   emissive = true;
+   translucent = true;
+   vertColor[ 0 ] = true;
+};