Temporary solution => classes made void

These classes are now void to ensure DuelManager Initiative array generation.
Must be replaced by Strings in the final initiative array
GameOver screen is now fonctionnal

Changed the class returned by the view getter.
Add a PaperButtonLeft to go back to MainMenu screen
Change the class

Make the class corresponding to its reality in flash by removing a former button
Usual changes du to new compilation
Make Duel fonctionnal

Remove the characters of the DuelManager and add these character directly in the DuelScreen to avoid multiplication of copies of the same characters.
Correct a typo in the click event handler.
Manage the reset of the game when Game Over screen is called

reset targeted variables in the Init phase of Managers
Call the Init of all managers in the GameOver Screen
spell mistake corrections in Duel

correction of the skill button switch in the click handler
Create the shell of the Save Manager

Crate near empty SaveSlot Class to save and load datas.
Usual modifications due to recompilation
Sound Manager modifs

SoundManagers modification to manage volume selected onthe MainMenuscreen
Option menu creation

Creation of an option menu window to manage volume, input, tutorials and language