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

src/libultra_code_O2/sins.c

@@ -0,0 +1,20 @@
+#include "ultra64.h"
+#include "sintable.c"
+
+s16 sins(u16 x) {
+    s16 value;
+
+    x >>= 4;
+
+    if (x & 0x400) {
+        value = sintable[0x3FF - (x & 0x3FF)];
+    } else {
+        value = sintable[x & 0x3FF];
+    }
+
+    if (x & 0x800) {
+        return -value;
+    } else {
+        return value;
+    }
+}