[Tutorial Mode]: Add arrows without animation.
[Tutorial Mode]: Add animation.
[Tutorial Mode]: Add arrows without animation.
[FIX]: Animation time and arrows position.
[FIX]: Animation time and arrows position
[ADD, FIX]: Add tutorial button and fix some bugs.
[ADD] French version.
fixes #27 : Fix graphical bugs in french version.
Fix french mistake.
Change button name.
Tutorial button is now a toggle button : animation is cancellable.
Merge pull request #46 from azziel149/tutorialMode
Fixes #27