AllTheMons x Mega Showdown

Changelog v1.1:

• Compatible with Mega Showdown v9.6.6 - v9.6.10
• Added Ride-On compatibility for some Pokémon (thanks to jidait):
  • Arceus, Dialga, Eternatus, Giratina, Groudon, Ho-Oh, Keldeo, Kyogre, Kyurem, Latias, Latios, Lugia, Lunala, Miraidon, Necrozma, Rayquaza, Reshiram, Silvally, Solgaleo, Type Null, Xerneas, Yveltal, Zacian, Zamazenta, Zekrom
• Fixed Hitboxes and Sizes of some of the mons (will also be implemented into MSD v9.6.7):
  • Altaria, Arceus, Banette, Froslass, Glalie, Houndoom, Houndour, Latias (supposed to be a little smaller than Latios), Medicham, Meditite, Shuppet, Snorunt, Swablu
• Shadow Mega Mewtwo X and Y (big thanks to Omniv!)
  • You can now Mega evolve Shadow Mewtwo without issues!
• Temporarily removed Ultra Necrozma due to an issue with its model/form change