A smallish patch containing a simple VS CPU and a few bug fixes and balance changes

New Features:

• Vs CPU added
• Can now random select a stage by pressing start

Balance Changes:

  General:

• Combo throw scaling reduced

  Setsuka:

• Reworked EX dash
• Reduced recovery on back medium
• Decreased forward throw duration

Nocturne:

• Increased damage for light ender for Dark Shadow Fury
• Decreased damage for medium ender for Dark Shadow Fury
• Increased horizontal range of stand medium

  Agent 0:

• Air support can now choose to switch from a ground throw to an air throw

Bug Fixes:

• Moves that don't scale now behave correctly
• juggle scaling now increases correctly
• Fixed analog movement on the menu
• Natalie's light ender for Run now correctly carries her momentum