Update Changelog 4/25/2018

* Fixed an issue with controllers causing the player to walk in the wrong direction.

* Fixed level 25_Laddering to make the final jump a tad easier.

* Added a restart button for demoing. It can be accessed by pressing 2 and 4 on the keyboard or the select button on a controller.

* Made all face buttons jump

* Fixed all alphanumeric buttons to make them jump properly on keyboard.