Server Update 2018.11: "Kempston"

Lots of changes today related to our discussion of Deepworld being too competitive and rare-focused. Please read if you're interested:

https://forums.deepworldgame.com/discussion/27928/what-is-deepworld

Also releasing some formerly forgotten-about items!

• All chests and sacks now provide loot to anyone within 5 seconds of opening (*mech chests still require raiding participation)
• Non-premium players can now loot anything, but premium players still get double crown loot
• Added mayflower and autumn paintings to bunkers
• Added all musical instruments to bunkers
• Added onyx protector blueprint to loot (craft giga protectors)
• Added Grandmaster and Legendary Recycler achievements
• Added mayflower, gong, and nessie to shop
• Added camo facepaint to loot
• Made loot spawn more often in sacks and crates
• Made rare mounted heads and paintings spawn more often
• Made onyx spawn more often
• Made empty caves spawn less often
• Made weak mobs a little weaker