Acabat amb cppcheck

Arreglades les herencies de les classes Sprite

source/animated_sprite.cpp

@@ -1,6 +1,8 @@
 #include "animated_sprite.h"
+#include <algorithm> // for copy
 #include <fstream>	 // for basic_ostream, operator<<, basic_istream, basic...
 #include <iostream>	 // for cout
+#include <iterator>	 // for back_insert_iterator, back_inserter
 #include <sstream>	 // for basic_stringstream
 #include "texture.h" // for Texture