Add alternate mappings for the game's controls.
Removing debug line from PixelatedMotion.
Merge https://github.com/atomic-swerve/freefall into text-boxes
Merge pull request #19 from atomic-swerve/secondary_control_mappings

Add alternate mappings for the game's controls.
Added Press Start 2P font.
Added a GUI sprite/hierarchy to the camera, and code for handling text boxes in that GUI.
Created an example scene using the new text box system.
Merge branch 'development' of https://github.com/atomic-swerve/freefall into text-boxes
Added on-close callbacks to the TextBox and example script.
Changed text box transition key to A button.
Merge pull request #21 from atomic-swerve/text-boxes

Text boxes
Merge remote-tracking branch 'origin/development' into interactable-player-attack
Improved Health Bar UI object and script