Update 15: Class balancing changes, custom music and fixes!

Changes:

• reduced Pickpocket steal duration from 0.4s to 0.2s
• Pilots plane speed upgrade now upgrades agility as well
• Pilot can no longer search boxes if he has all upgrades
• added new "Reduced Cooldown" Pilot upgrade
• increased Pilot upgrade chance per box from 50% to 70%
• Sheriff now gains two additional cuffs per kill with the horse
• reduced Inventor extra damage taken from 30% to 15%
• FBIs motion detector now gets triggered by NPCs and tasers everyone walking through
• FBIs motion detector no longer gets triggered by cops
• Vigil smart cameras reduced from 3 to 2
• increased safe open/close sound falloff distance
• increased drill sound falloff distance
• players kicked for AFK are no longer banned from the server

Fixes:

• fix for cop bots sometimes still being aggressive towards already dead robbers
• fixed "Flight Sim Controls" setting not loading correctly
• fixed Vigil cam spam pinging dead players

Level Editor:

• added support for custom music on custom maps again