Added a health bar and a character controller

The character controller deals with if the player is hit and can deduct
health. Need monsters to test with.
Revert "Added a health bar and a character controller"

This reverts commit c27da93263567d76cdb24cb94ad4221aef6af7c5.
Added character controller

Controller deals with damage for the health bar (which functions!).
Merge branch 'Character'