0.2 - Elemental Ascendance Update

What's Changed

• removed portal and orb recipes by @Jatzylap in #18
• Bonemeal for gold sapling by @Jatzylap in #16
• add water spell by @Jatzylap in #21
• added earth spell
• added mini-boss: Sparkstone Golem
• added structure: Ominous Tower
• added Aether biome: Magnetic Fields
• new main menu panorama
• fixed bugs

Full Changelog: 0.1.1...0.2