Pasaeta de "include-what-you-use" per arreglar els includes

Renombrats alguns fitxers per consistencia

source/screen.cpp

@@ -1,13 +1,21 @@
 #include "screen.h"
-#include "options.h"
-#include <string>
-#include <iostream>
-#include <fstream>
-#include <streambuf>
+#include <SDL2/SDL_events.h>  // for SDL_DISABLE, SDL_ENABLE
+#include <SDL2/SDL_mouse.h>   // for SDL_ShowCursor
+#include <SDL2/SDL_pixels.h>  // for SDL_PIXELFORMAT_RGBA8888
+#include <SDL2/SDL_timer.h>   // for SDL_GetTicks
+#include <algorithm>          // for max, min
+#include <fstream>            // for basic_ifstream, ifstream
+#include <iterator>           // for istreambuf_iterator, operator!=
+#include <string>             // for basic_string, operator+, to_string, cha...
+#include "asset.h"            // for Asset
+#include "dbgtxt.h"           // for dbg_print
+#include "input.h"            // for Input, inputs_e, INPUT_DO_NOT_ALLOW_REPEAT
+#include "notify.h"           // for Notify
+#include "options.h"          // for options
+
 #ifndef NO_SHADERS
-#include "jshader.h"
+#include "jail_shader.h"      // for init, render
 #endif
-#include "dbgtxt.h"
 
 // [SINGLETON] Hay que definir las variables estáticas, desde el .h sólo la hemos declarado
 Screen *Screen::screen = nullptr;