Server Update - 4/24/18

[sneaK]

• Fixed ELO not decaying properly on 1v1 Arenas servers
• Tele drops are no longer fixed on surf_derpis_h
• Fixed surf_sexyartz_njv being incorrectly listed in-game as a staged map
• Made s4 of surf_purgatory a drop zone
• Fixed start zone of surf_sexyartz_njv
• Re-zoned surf_android_csgo, normalized teleport angles
• Tweaked s6 zone of surf_ragequit_
• Re-zoned surf_smaragd, normalized teleport angles
• Tweaked s3 zone of surf_airflow, normalized teleport angles
• Adjusted start zone of surf_ambient_njv

There will be some short downtime late Wednesday evening (estimated to be Thursday ~1-2am EST, whenever server pop is low), due to database migration to a new disk.