Controller Support Added

This is the first pass. There will be bugs. Please report any you find in the discussion section or the DISCORD.

• Right Stick down will activate the cursor in case you need it.
  
• Tools tips should be updated to controller keys.
  
• Left stick moves. Right stick aims (must aim to fire).
  
• Left trigger blocks (if you have a melee weapon)
  
• Right trigger shoots/fires
  
• Left bumper sprints
  
• The right bumper uses powers
  
• DPad left and right switches quick slots
  
• DPad up builds
  
• DPad down opens inventory