Naturalist Lag Fix

Changelog — 1.0.1

• Crash fix: with Naturalist 2.0.7, the mod crashed on startup (NoClassDefFoundError: MobPart), which stopped the server from starting and broke the loading of every other mod on the client (FTB Quests and Quark crashes).
• Safe with any Naturalist version: Naturalist is now read by reflection instead of being linked directly. If a Naturalist update changes or removes these internals, the fix disables itself with a warning in the log instead of crashing the game.
• No compile dependency on Naturalist anymore.