Zombasite patch 1.021

This patch fixes a crash, adds a bunch of Patreon/Add to Game stuff, and fixes various minor issues. 1.021 change list:

• fixed quests sometimes getting parent set to their child and thus creating an infinite loop in some code (Mel)

• added unique levels support (Patreon thing - https://www.patreon.com/soldak)

• levels can now have set level modifiers

• now a level can always be in winter

• added support for unique monsters with set attributes again (Patreon thing)

• added support for unique NPCs - set name, personalities, enhancements, skills, etc (Patreon thing)

• added backstory to unique NPCs (Patreon thing)

• added unique renegades support (Patreon thing)

• added minor clans support (Patreon thing)

• added unique chests support (Patreon thing)

• added unique gravestones support (Patreon thing)

• added support for unique towns (Patreon thing)

• added Patreon button on main UI

• now evil avatars don't start spawning until level 5

• orc scouts should no longer use caltrops out of range

• now followers in your party are less likely to attack off screen enemies after they have teleported back to you (Romløk)

• added locked picked sound

• now player ran away stuff doesn't count if player is dead

• now thief lock pick skill will walk over to clicked on chest/door (Scrubwave)

• fog modifier now adds more fog to affected level

• fixed famine not being set to above ground only

• added Bard related personalities (Orc Schism)

• fixed highlight size of bulletin board tool tip not matching draw size (Romløk)

• removed 9 duplicate translations (DarthNihilus)

• added a comma to gate blocked quest text (Castruccio)

• removed duplicate LevelModifierCrystalGreen

• fixed missing translation NeedsLockableObject