* update Game::Initialize

* fix open ydk, yrp file

* split

* update MenuHandler

* update DeckBuilder

* replace position2di with irr::core::vector2di

* replace position2di with vector2di

* replace core::position2d with irr::core::vector2d

* replace position2d with vector2d

* include irrlicht.h

* use irrlicht namespace

* fix DeckManager::LoadLFListSingle

* fix DeckManager::LoadDeck (std::istringstream)

* typos

* fix conversion

* workaround

* add ClientField::ResetSequence

* update ClientField::AddCard

* fix ClientField::RemoveCard

* fix remove xyz material animation

* use default constructor

* fix DeckManager::LoadDeck(Deck& deck,

* update DeckManager::GetDeckFile

* update reference

* update DeckManager::LoadCurrentDeck

* update reference

* clean header in deck_manager.h

* use fopen in DataManager::ReadScriptFromFile

* rename myfopen to mywfopen

* use std namespace

---------
Co-authored-by: salix5 <salix5566@gmail.com>

* update the header file of CGUIImageButton

* CGUIImageButton inherit from IGUIButton

* copy implementation from irrlicht 1.8.5

* remove ClickTime, HoverTime, FocusTime

only used in CGUIButton::draw

* remove CGUIButton.h

This reverts commit 92db0f7311df58fa1e5b42e106bb7c497d8ca4ea.