Minor Update

Hello all,

Made a minor update to the game - here's what's changed.

• Attributes are renamed - the official Marvel RPG is going to use MARVEL, so I changed it to SMAASH (Strength, Might, Agility, Awareness, Smarts and Heart)
• Strength now deals with both physical strength and endurance. Might deals only with close combat. This allows heroes who aren't exceptionally strong but are good fighters (Spiderman, Wolverine, etc). I think the amount of heroes who are strong but not tough is pretty small, so I feel alright combining the two
• Small visual changes and reorganization