refactor
refactor the project applying lazyjs

crash code, the project is broken after applying lazyjs
conflict between lazyjs and jquery
Completing finishing refactor

Apply lazy with jquery
use one timer to animate all the stuff not one timer for each item
apply the principle loosing coupling
minimize the extra efforts when checking all the stuffs
Add gameover

add gameover functionality
keep refactoring
show score and accuracy
add start page and play again button
Release v0.2.0
restruct the controller.js file
pass the result of jquery selecting with the format of array with its internal methods to lazyjs
Merge branch 'refactor'