added new higher resolution jupiter texture and made it the default layer

data/assets/scene/solarsystem/planets/jupiter/default_layers.asset

@@ -1,10 +1,10 @@
-asset.require("./layers/colorlayers/jupiter_texture", true)
+asset.require("./layers/colorlayers/jupiter_juno_cassini", true)
 
 
 
 asset.meta = {
   Name = "Default Jupiter Layers",
-  Description = "Default Jupiter layers are: Jupiter Texture",
+  Description = "Default Jupiter layers are: 'Merged Cassini and Juno global map of Jupiter'",
   Author = "OpenSpace Team",
   URL = "http://openspaceproject.com",
   License = "MIT license"

data/assets/scene/solarsystem/planets/jupiter/layers/colorlayers/jupiter_juno_cassini.asset

@@ -0,0 +1,43 @@
+local globe = asset.require("scene/solarsystem/planets/jupiter/jupiter")
+
+local texturesPath = asset.resource({
+  Name = "Jupiter Textures",
+  Type = "HttpSynchronization",
+  Identifier = "jupiter_textures",
+  Version = 3
+})
+
+
+local Layer = {
+  Identifier = "JunoCassini",
+  FilePath = texturesPath .. "jupiter_juno_cassini.tif",
+  Enabled = asset.enabled,
+  ZIndex = 5,
+  Name = "Merged Cassini and Juno",
+  CacheSettings = { Enabled = false }
+}
+
+
+asset.onInitialize(function()
+  openspace.globebrowsing.addLayer(globe.Jupiter.Identifier, "ColorLayers", Layer)
+end)
+
+asset.onDeinitialize(function()
+  openspace.globebrowsing.deleteLayer(globe.Jupiter.Identifier, "ColorLayers", Layer)
+end)
+
+asset.export("layer", Layer)
+
+
+
+asset.meta = {
+  Name = "Merged Cassini and Juno global map of Jupiter",
+  Description = [[A global map of Jupiter in equirectangular
+ projection, suitable for wrapping onto globes in 3D visualization software. 
+ It updates the Cassini map of Jupiter with JunoCam images of Jupiter's poles,
+ so is a better product for simulating views of Jupiter from above and below the equatorial plane]],
+  Author = [[NASA / JPL-Caltech / SSI / Southwest Research Institute / Malin Space Science Systems 
+/ Italian Space Agency (ASI) / Italian National Institute for Astrophysics (INAF) / JIRAM / Björn Jónsson]],
+  URL = "https://www.planetary.org/space-images/merged-cassini-and-juno",
+  License = "Attribution 3.0 Unported (CC BY 3.0)",
+}