Alpha 1.2

MAJOR UPDATE

Alpha 1.2 patch notes and bugfixes: 

1. Drastically changed input system, you can now remap input (does not save yet)
2. Physics changed, there is no accelerating/decelerating
3. Finished prologue level
4. Art updated for the prologue
5. Changed pause menu UI to adapt to different resolution
6. Changed title UI to adapt to different resolution
7. Added full gamepad support
8. Changed jump sustain physics