move J2D / JUTResFont (#144)

* move some JSystem and meter2_info stuff

* more J2D / JUTTexture / JUTPalette

* setup dScnKy_env_light_c

include/JSystem/JUtility.h

@@ -0,0 +1,30 @@
+#ifndef JUTILITY_H
+#define JUTILITY_H
+
+#include "dolphin/gx/GXTexture.h"
+#include "dolphin/types.h"
+
+namespace JUtility {
+
+struct TColor : _GXColor {
+    TColor() { set(-1); }
+
+    TColor(u32 raw) { *(u32*)&r = raw; }
+
+    void set(u32 col) { *(u32*)&r = col; }
+    void set(u8 oR, u8 oG, u8 oB, u8 oA) {
+        r = oR;
+        g = oG;
+        b = oB;
+        a = oA;
+    }
+
+    u32 toUInt32() const { return *(u32*)&r; }
+
+    operator u32() const { return toUInt32(); }
+    void operator=(const TColor& rhs) { ((_GXColor*)this)->operator=(rhs); }
+};
+
+}  // namespace JUtility
+
+#endif /* JUTILITY_H */