Refactor ResourceLoader, use only Texture2d in Renderer.

Source/Resources/Texture2d.cs

@@ -2,10 +2,10 @@ namespace DaggerFramework
 {
     public class Texture2d : Resource
     {
-        public Texture2d(byte[] data)
+        public int Width { get; set; }
+        public int Height { get; set; }
+        public Texture2d(string path, byte[] buffer) : base(path, buffer)
         {
-            Data = data;
         }
-        public byte[] Data;
     }
 }