Fixed health not resetting to max when respawning during NO NERD HEALING

Cleanup

Added new NO NERD HEALING event
Changed Flu Season to also slow players
Changed Flu Season to "cure" players when they are healed
Changed Murder to keep Killers as Killers
Fixed Upgrade choice window not closing at the end of the round
Fixed error in Malfunction if a weapon is stripped at the wrong time
Fixed only one Random xN event being able to run at a time
Fixed Random xN not being random enough
Fixed players not being randomized in Switch
Fixed RISE FROM YOUR GRAVE double-zombying players
Reduce default maximum speed ups in Time Warp to 5 from 8

Added new Flu Season event

Added Social Distancing event

Added new "A Glitch has been patched" and "Double Cross" events

Fixed ttt_randomat_enableall and ttt_randomat_disableall not working for addon events
Fixed ttt_randomat_triggerrandom error

Added "Prop Hunt" event
Fixed Slam and Harpoon events not obeying the "randomat_*_strip" ConVar
Changed Slam and Harpoon events to prevent picking up weapons if the "randomat_*_strip" ConVar is enabled

Fixed error when trying to use the randomat trigger commands
Added auto-complete of randomat event ids when using the randomat trigger commands
Changed Harpoon and Slam to make sure the weapon exists before using it

Fixed error using the Randomat due to code refactoring