general cleanup, d_menu_quit / d_a_obj_testcube mostly done, d_msg_scrn_explain debug (#3065)

* typedef for cPhs_Step

* make sdk includes consistent

* d_menu_quit / d_msg_scrn_explain debug

* d_a_obj_testcube mostly done

* d_debug_pad mostly done

* jstudio tool library headers

* some JStudioCameraEditor headers

* d_jcam_editor mostly done

* try fixing some shield regressions

* d_bg_parts mostly done

* fix merge errors

* debug fix

include/JSystem/J2DGraph/J2DGrafContext.h

@@ -3,7 +3,7 @@
 
 #include "JSystem/JGeometry.h"
 #include "JSystem/JUtility/TColor.h"
-#include "dolphin/mtx.h"
+#include <dolphin/mtx.h>
 
 /**
  * @ingroup jsystem-j2d

include/JSystem/J2DGraph/J2DManage.h

@@ -1,7 +1,7 @@
 #ifndef J2DMANAGE_H
 #define J2DMANAGE_H
 
-#include "dolphin/types.h"
+#include <dolphin/types.h>
 
 class JSUInputStream;
 

include/JSystem/J2DGraph/J2DPane.h

@@ -4,7 +4,7 @@
 #include "JSystem/JGeometry.h"
 #include "JSystem/JSupport/JSUList.h"
 #include <dolphin/gx.h>
-#include "dolphin/mtx.h"
+#include <dolphin/mtx.h>
 
 class J2DAnmBase;
 class J2DAnmColor;

include/JSystem/J2DGraph/J2DTevs.h

@@ -2,7 +2,7 @@
 #define J2DTEVS_H
 
 #include <dolphin/gx.h>
-#include "dolphin/mtx.h"
+#include <dolphin/mtx.h>
 #include "global.h"
 
 /**