Merge pull request #3 from ellisonleao/master

Great changes
Fixed Molecule link
Complete redone of infinite scroll X & Y
Working on infinite scroll
Fix typo
Fix GetAnimations
Added overlap property to sprite
Fix getAnimation method
Fix when infinity scroll on x and y at the same time
Improve overlap property on sprite
Add the possibility to include stroke on text
Speed up loading times a bit
Clean up
Fix data got from map file
Remove unused globals on jshint