libultra cleanup (#215)

* cleanup libultra

* fixes

- use quotes instead of <> for includes
- add macros for zelda specific thread priorities
- fix Makefile
- properly format the remaining pfs structs

* fix button macros + add CHECK_BTN_ANY/CHECK_BTN_ALL

* remove ULTRA_ABS

* fix includes

* update z_player.c/z_lib.c + run format.sh

* merge upstream/master

* fix include in En_Goroiwa

* fix includes

include/stdlib.h

@@ -1,17 +1,16 @@
 #ifndef _STDLIB_H_
 #define _STDLIB_H_
 
+#include "ultra64.h"
+
 typedef struct lldiv_t {
-    long long quot;
-    long long rem;
+    s64 quot;
+    s64 rem;
 } lldiv_t;
 
 typedef struct ldiv_t {
-    long quot;
-    long rem;
+    s32 quot;
+    s32 rem;
 } ldiv_t;
 
-lldiv_t lldiv(long long, long long);
-ldiv_t ldiv(long, long);
-
 #endif