Reorganize examples folder

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diff --git a/examples/shaders/shaders_shapes_textures.c b/examples/shaders/shaders_shapes_textures.c
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+/*******************************************************************************************
+*
+*   raylib [shaders] example - Apply a shader to some shape or texture
+*
+*   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*
+*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
+*         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders
+*         raylib comes with shaders ready for both versions, check raylib/shaders install folder
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - shapes and texture shaders");
+    
+    Texture2D sonic = LoadTexture("resources/texture_formats/sonic.png");
+
+    // NOTE: Using GLSL 330 shader version, on OpenGL ES 2.0 use GLSL 100 shader version 
+    Shader shader = LoadShader("resources/shaders/glsl330/base.vs", 
+                               "resources/shaders/glsl330/grayscale.fs");
+                               
+    // Shader usage is also different than models/postprocessing, shader is just activated when required
+    
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+            
+            // Start drawing with default shader
+
+            DrawText("USING DEFAULT SHADER", 20, 40, 10, RED);
+            
+            DrawCircle(80, 120, 35, DARKBLUE);
+            DrawCircleGradient(80, 220, 60, GREEN, SKYBLUE);
+            DrawCircleLines(80, 340, 80, DARKBLUE);
+
+            
+            // Activate our custom shader to be applied on next shapes/textures drawings
+            BeginShaderMode(shader);
+            
+                DrawText("USING CUSTOM SHADER", 190, 40, 10, RED);
+
+                DrawRectangle(250 - 60, 90, 120, 60, RED);
+                DrawRectangleGradient(250 - 90, 170, 180, 130, MAROON, GOLD);
+                DrawRectangleLines(250 - 40, 320, 80, 60, ORANGE);
+
+            // Activate our default shader for next drawings
+            EndShaderMode();
+            
+            DrawText("USING DEFAULT SHADER", 370, 40, 10, RED);
+            
+            DrawTriangle((Vector2){430, 80},
+                         (Vector2){430 - 60, 150},
+                         (Vector2){430 + 60, 150}, VIOLET);
+                         
+            DrawTriangleLines((Vector2){430, 160},
+                              (Vector2){430 - 20, 230},
+                              (Vector2){430 + 20, 230}, DARKBLUE);
+
+            DrawPoly((Vector2){430, 320}, 6, 80, 0, BROWN);
+            
+            // Activate our custom shader to be applied on next shapes/textures drawings
+            BeginShaderMode(shader);
+
+                DrawTexture(sonic, 380, -10, WHITE);    // Using custom shader
+            
+            // Activate our default shader for next drawings
+            EndShaderMode();
+            
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadShader(shader);   // Unload shader
+    UnloadTexture(sonic);   // Unload texture
+    
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
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