Update 0.1.4

Added

• Show in HUD how many lights will be added upon level completion.
• P key to pause, to make it more convenient for HTML5 version.
• R key to restart the level.

Changed

• Change UI buttons color.
• Change menu focus neighbors when disabling restart button.

Fixed

• Light count preserving when resetting the level.
• Light getting collected immediately if standing on its spot during restart.