Form names changed, version number added to menu, tweaks to item codes

• Updated form names for Pikachu to match in-game names.
• Added version number to bottom center of menu to make it easier to notice if updates are released.
• Removed some un-obtainable items such as Safari Ball, Sport Ball, Cherish Ball, Dream Ball and the rogue Greeting Mail.
• Changed All Items code to group all Poké Balls at top of item list.

No new features added.