Pathogen : Monster plague

CHANGELOG -Added a new creature : aquatic marauder -Reworked the infection system to completely fix the lag issues, at the cost of a slower infection rate -Nerfed the spawn of creatures from synthetisers -Tweaked the ai of most mobs -Reworked the texture and models of every slayer to feel more polished and unique -Tweaked the texture of every scale armor to better fit the biome theme -Removed the biome strenght potion effects -Weapons will no longer have a buff if the armor of the same biome is worn -Mutant slayers will now require to wear a same biome armor to use its power to prevent players from using every power and reward a more specific gameplay -Nerfed the damage and speed attack of every crimson weapons so that it doesn't have more than the best stats (damage and swing speed) of every weapons -Tweaked the texture and model of the pathogen armor -Updated the description of every armor to fit the new changes -Corrected some descriptions typos in weapons and armor descriptions -The ender type armors will now correctly give nearby entities a glowing effect -multiple bug and crash fixes