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/osViGetCurrentFramebuffer.c

@@ -0,0 +1,12 @@
+#include "global.h"
+
+u32* osViGetCurrentFramebuffer() {
+    register u32 sMask = __osDisableInt();
+    u32* var1;
+
+    var1 = __osViCurr->buffer;
+
+    __osRestoreInt(sMask);
+
+    return var1;
+}