Added skills, fixed monster bugs, and made player 2 mimic player 1 (for testing)

* Added skills
	* Vile Breath
	* Throw Ice
	* Shatter (unfinished)
	* Crop Dust
	* Silver Bullet
	* Redirect
	* Electric Field
	* Polarity Shift
	* Spear

* Fixed bug where monsters were not jumping at all
* Fixed where monsters no longer slide on wall
* Added name categories for all skills; will be used later
* Made Player 2 simply mimic player 1's input; just replace later. 
	Needed to test logistics and needed an active p2
* Tested shields and fixed bug where player healed through it