Add hammer.js support and refines the handle process of ghost mouse event after touch
Add hammer.js support and refines the handle process of ghost mouse event after touch

partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js