Initial commit.
Update to JavaScript Prototype

Reason: Code organization is vital!
Refactor randomize array method
Update
Fixed script src
Update validate answer entered
Bugfix answer now unique
Removed debug value dump
Prevent text selection by using CSS
Add config object
Add invalid move effect by using CSS3 transition
Change transition timing and add fade out for used items
Changed CSS transition.
Changed CSS transition timing.
Fixed bug, add illegal moves.
Changed bg-color illegal move
Changed style used items
Update layout
Fixed bug, cannot end game with single item
Refactor Code and use Code Convention