More work on vending machines and purchasable items.
Highlighting of items in the vending machine.
Visit Dyson Outpost after the first mission scene ends.
Item purchasing
More Dyson Outpost conversations
Added radial guardian mechanics
Fix bug where player bullets were disappearing too soon for radial guardian levels.
Mousewheel scaling debug tool

- mwheel up = zoom in
- mwheel down = zoom out
- mwheel click = zoom reset
Give the player AirBlast magic for the Dyson Outpost Guardian Mission
Fix bug where player debug rendering was not showing up in the correct location.
Player shots lead a bit when traveling laterally

(still needs work to feel "right")
Fix rotational rendering issue with player ship
Fix bug where player sprite was not lining up with collision
Fix bug where item sprite was not lining up with collision.