Added pixie trail particles that keep crashing
Prevented underground liquid poison/spring water lakes from generating in the Origin Valley, Nether, and Promised Land
Fixed achievement bug (I think)
Made Ambrosia crafting recipe use pixie dust instead of dandelions
Added Pixie Jars
Fixed pixie placement
Merge branch 'master' of https://github.com/BiomesOPlenty/BiomesOPlenty
Fixed Pixie spawns (I think)