Mob AI Tweaks

-Sitting mobs now rely vibrations to check if whether or not they should wake up. This change is done for 2 reasons: consistency and performance. This is more consistent now as it (re)uses an already existing vanilla mechanic. It is now also more optimized because the original check for these were originally ran EVERY TICK. This new implementation is only ran when a game event happens (e.g., a player breaking blocks).

-Nerfed Full-Auto Retrofit, there is now a noticable 2 tick interval when used.

-Fixed Full-Auto Retrofit not working on Neo/Forge.

-Fixed evokers instantly despawning if they die while having any fireballs surrounding them.

-Fixed evoker fireballs not despawning when they die.

-Fixed a crash caused by upgrading the mod config from 1.7.7 to 1.8.1.

-Fixed burrowing husks being interrupted by knockback. They are now also immune to knockback when burrowing.

-Fixed the burrowing animation of husks being incorrect.

-Fixed ranged_mobs/override_attack_interval config not working on blazes, zombie fletchers, and zombie pigmen.

-Added husk_burrow_cooldown, which lets you change the cooldown of the husk's burrowing ability. 200 ticks (5 seconds) by default.

-Added husk_burrow_min_distance, which lets you change the minimum distance required for husks to attempt to burrow. Default is 12 blocks. Setting this to 0 allowes the husk to burrow at any distance.

-Added evoker_cast_fireball_count, which lets you change how many fireballs would an evoker spawn before sending them out. Default is 3. Setting this to 0 would cause the evoker to use its old fireball throwing behavior from before v1.8.0 of this mod.