launch images for iphone6/6plus

contrib/mobile/iOS/Onelab/Images.xcassets/LaunchImage.launchimage/Contents.json

 {
   "images" : [
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "736h",
+      "filename" : "splash1242x2208.png",
+      "minimum-system-version" : "8.0",
+      "orientation" : "portrait",
+      "scale" : "3x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "736h",
+      "filename" : "splash2208x1242.png",
+      "minimum-system-version" : "8.0",
+      "orientation" : "landscape",
+      "scale" : "3x"
+    },
+    {
+      "extent" : "full-screen",
+      "idiom" : "iphone",
+      "subtype" : "667h",
+      "filename" : "splash750x1334.png",
+      "minimum-system-version" : "8.0",
+      "orientation" : "portrait",
+      "scale" : "2x"
+    },
     {
       "orientation" : "portrait",
       "idiom" : "iphone",
@@ -54,4 +81,4 @@
     "version" : 1,
     "author" : "xcode"
   }
-}
\ No newline at end of file
+}

contrib/mobile/utils/make_icon_ios.sh

 #!/bin/sh
 
 icon_source=../../../utils/icons/gmsh_mobile_1024x1024.png
-launch_source=../../../utils/icons/gmsh_mobile_1024x1024.png
+launch_source=../../../utils/icons/gmsh_128x128.png
+launch_source2=../../../utils/icons/gmsh_256x256.png
+bg=black
 
 #icon_source=$HOME/tex/proposals/bbemg/bbemg-logo-twitter-white.png
 #launch_source=$HOME/tex/proposals/bbemg/bbemg-logo-color-rgb.png
+#launch_source2=$HOME/tex/proposals/bbemg/bbemg-logo-color-rgb.png
+#bg=white
 
 mkdir -p AppIcon.appiconset
 # App icons (iPad)
@@ -14,9 +18,18 @@ convert -scale 76 ${icon_source} AppIcon.appiconset/icon_app_ipad.png
 convert -scale 120 ${icon_source} AppIcon.appiconset/icon_app_iphone_retina.png
 
 mkdir -p LaunchImage.launchimage
-convert ${launch_source} -gravity Center -crop 1024x768+0+0\! -background white -flatten LaunchImage.launchimage/splash1024x768.png
-convert ${launch_source} -gravity Center -crop 1536x2048+0+0\! -background white -flatten LaunchImage.launchimage/splash1536x2048.png
-convert ${launch_source} -gravity Center -crop 2048x1536+0+0\! -background white -flatten LaunchImage.launchimage/splash2048x1536.png
-convert ${launch_source} -gravity Center -crop 640x1136+0+0\! -background white -flatten LaunchImage.launchimage/splash640x1136.png
-convert ${launch_source} -gravity Center -crop 640x960+0+0\! -background white -flatten LaunchImage.launchimage/splash640x960.png
-convert ${launch_source} -gravity Center -crop 768x1024+0+0\! -background white -flatten LaunchImage.launchimage/splash768x1024.png
+convert ${launch_source} -gravity Center -crop 640x960+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash640x960.png
+
+convert ${launch_source} -gravity Center -crop 640x1136+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash640x1136.png
+
+convert ${launch_source2} -gravity Center -crop 768x1024+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash768x1024.png
+convert ${launch_source2} -gravity Center -crop 1024x768+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash1024x768.png
+
+convert ${launch_source2} -gravity Center -crop 1536x2048+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash1536x2048.png
+convert ${launch_source2} -gravity Center -crop 2048x1536+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash2048x1536.png
+
+convert ${launch_source2} -gravity Center -crop 750x1334+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash750x1334.png
+convert ${launch_source2} -gravity Center -crop 1334x750+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash1334x750.png
+
+convert ${launch_source2} -gravity Center -crop 1242x2208+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash1242x2208.png
+convert ${launch_source2} -gravity Center -crop 2208x1242+0+0\! -background ${bg} -flatten LaunchImage.launchimage/splash2208x1242.png