reordenades i renombrades les classes sprite

CMakeLists.txt

@@ -43,10 +43,10 @@ set(APP_SOURCES
     source/core/rendering/pixel_reveal.cpp
     source/core/rendering/screen.cpp
     source/core/rendering/surface.cpp
-    source/core/rendering/surface_animated_sprite.cpp
-    source/core/rendering/surface_dissolve_sprite.cpp
-    source/core/rendering/surface_moving_sprite.cpp
-    source/core/rendering/surface_sprite.cpp
+    source/core/rendering/sprite/animated_sprite.cpp
+    source/core/rendering/sprite/dissolve_sprite.cpp
+    source/core/rendering/sprite/moving_sprite.cpp
+    source/core/rendering/sprite/sprite.cpp
     source/core/rendering/text.cpp
 
     # Core - Locale