Add of the fruit class to the stylesheet
#22 Fruits are only swapped if it cause destruction
#39 Add of IndexedDB.js
FIX - Include IndexedDB.js to the main HTML file
#16 Implement fadeOut effect for the explosion of fruits
FIX - Now all the fruits appear with the same probability
FIX - Correction of a bug concerning swapping fruits
Delete of the Request Animation Frame object
#19 Fruits are swapping with a transition
Update CSS style of div#map and img.fruits

Div map  => position:relative;
Img fruits => position:absolute;
#42 Add of the timer

Create class Timer.js