Add Mouse support for Touch & mouse devices - Update 5.1.mediaelement-and-player.js

This update solve an issue that affect touch & mouse devices (as win8 computers), that dont show play/pause menu with mousemove.

This adds mousemove, mouseenter, mouseover, mousemove and mouseleave events even if you are on touch devices.

another way could be just ignore touch devices, but i use my computer with touch sometimes and with mouse  in other moments.