Added spawns and guns to zs_verystill

Added map modifications to ttt_j_yogtowers and ttt_yoglabs

Added ttt_map_weapons_pack_map_modifications 0 to disable modifying some maps to make them playable with TTT

Added invisible doors fix to various versions of ttt_skyscraper

Fixed fog warning message to jesters

Fixed fog kill countdown being 1 second off what was displayed in the alert message

Fixed nz_tranzit2 fog killing you constantly after dying to the fog

Added support for 2d_super_mario_bros

Randomisation performance improvements and code cleanup

Added guns and spawns to gm_voidisland