Split and decompile parts of JUTGamePad (#33)

* JUTGamePad.o: elaborate classes, split

* JUTGamePad::CButton: decompile functions:
- clear()
- clear(JUTGamePad*)
- setRepeat()

* elaborate PAD* types in new header

* decompile getNumBit()

* elaborate JUTGamePad fields

* move retyped externs from variables.h to JUTGamePad.h

* elaborate JUTGamePadLongPress

* JUTGamePad: decompile functions

- initList()
- init()
- clear()
- assign()
- checkResetCallback()
- checkResetSwitch()
- clearForReset()
- recalibrate()

JUTGamePad: decompile

* JUTGamePad::CStick::clear(): decompile

* JUTGamePad::CRumble: decompile functions

- startMotor()
- stopMotor()
- triggerPatternedRumble()
- startPatternedRumble()
- stopPatternedRumbleAtThePeriod()
- setEnabled()

* JUTGamePadLongPress::checkCallback(): decompile

* nonmatching: JUTGamePad::CRumble::update() and JUTGamePad::getGamePad

* JSUList<T>: allow access to JSUPtrList functions

* functions.h: clear out some func decls that are no longer used

* add notes in JUTGamePad.cpp

* clang-format + add back extern funcs

* fix some more extern labels

Co-authored-by: Pheenoh <pheenoh@gmail.com>

include/JSystem/JSupport/JSUList/JSUList.h

@@ -72,7 +72,7 @@ private:
 };
 
 template <typename T>
-class JSUList : protected JSUPtrList {
+class JSUList : public JSUPtrList {
 public:
     JSUList() : JSUPtrList() {}