update more stuff for xcode 8

it's still backwards compatible

Author: hawkrives

data/images/icons/ios/AppIcon.appiconset/[email protected]

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0730"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

data/images/icons/ios/AppIcon.appiconset/[email protected]

@@ -1,5 +1,17 @@
 {
   "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "[email protected]",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "[email protected]",
+      "scale" : "3x"
+    },
     {
       "size" : "29x29",
       "idiom" : "iphone",