Alot of binding improvements!

- Improved bindings and added initial ones for Easings, Physac, Raygui and Raymath(Not yet fully tested).
- Renamed ExamplesApplication to Bindings to make it more clear.
- Examples separated from bindings.
- Improve readme to reflect changes.

Bindings/Rlgl.cs

@@ -0,0 +1,27 @@
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Raylib
+{
+    #region Raylib-cs Enums
+
+    #endregion
+
+    #region Raylib-cs Types
+
+
+    #endregion
+
+    public static partial class rl
+    {
+        #region Raylib-cs Variables
+
+		#endregion
+
+        #region Raylib-cs Functions
+
+        #endregion
+        
+    }
+}