The great particle refactoring part 2: Splitting and Streamlining!

- Splits all particle textures into individual files intead of sprite sheets
- Replaces arc and lightning pulse entities with particles
- Pulls particle code up to the general ParticleWizardry so behaviours such as spin can be applied to all particle types
- Renames a few ParticleBuilder methods for conciseness.
- Adds a few new particle effects to various spells and entities, with a slight tweak to EntityMagicArrow#onBlockHit to facilitate impact effects

src/main/java/electroblob/wizardry/spell/ImbueWeapon.java

@@ -68,7 +68,7 @@ public class ImbueWeapon extends Spell {
 						double x = caster.posX + world.rand.nextDouble() * 2 - 1;
 						double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 						double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
-						ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).colour(0.9f, 0.7f, 1).spawn(world);
+						ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(0.9f, 0.7f, 1).spawn(world);
 					}
 				}