Rewrite

[przemykomo]

• Tweaked flying mechanic.
• Changed recipes to use plane workbench instead of crafting table recipes - compatibility with every properly programmed mod. Dynamic planes textures.
• Removed cargo plane.
• Rewritten upgrades networking.
• Actually good sound system.
• Planes don't drop upgrades when broken, added wrench for removing upgrades instead.
• Moved most mixins to events.
• A lot of smaller tweaks and moving stuff around.