Fixed custom UI not loading

Fixed arena out-of-bounds detection and shop root/silence effect

Removed spectator delay

Fixed Vengeful Spirit's Aghanim Scepter illusion dying after a few seconds
Fixed Earthshaker's innate Fissure not being removed
Disabled Night Stalker's Night Reign facet

Added Ringmaster and Kez

Fixed health and mana not being reset when the round starts
Fixed 2v2 and 3v3 maps not working

Increased strategy time to 15 seconds to allow choosing facets

Updated for 7.35

Fixed "outside the arena" indicator being invisible

Fixed various user interfaces getting stuck on the screen
Fixed being unable to purchase neutral items

Fixed heroes sometimes not spawning after rematches