[update] add CacheStorage; improve PresetFrame

src/haxe/ru/m/Device.hx

@@ -1,9 +1,12 @@
 package ru.m;
 
-@:enum abstract Platform(String) from String to String {
+enum abstract Platform(String) from String to String {
     var ANDROID = "android";
     var LINUX = "linux";
     var WINDOWS = "windows";
+    var FLASH = "flash";
+    var HTML5 = "html5";
+    var UNKNOWN = "unknown";
 }
 
 class Device {
@@ -17,8 +20,12 @@ class Device {
         return LINUX;
         #elseif windows
         return WINDOWS;
+        #elseif flash
+        return FLASH;
+        #elseif html5
+        return HTML5;
         #else
-        return null;
+        return UNKNOWN;
         #end
     }