Buzz buzz!

Several new hats for special bees today, as well as a proper implementation for the generic events that I pulled out for the last build.

Enjoy!

Full changelog:

• Added earmuffs hat for special Builders
• Added straw hat and bushman hat for special Foragers
• Added implementation for generic vignettes
• Fixed bee customisation dialog defaulting to no hat when switching to roles other than Worker
• Fixed bees getting new names after having their roles changed by effects or customisation
• Refactored bee import flags
• Refactored vignette processing
• Renamed welding helmet hat to welding mask
• Updated obstacle spawning and connection processing to always be disconnected
• Fixed jelly production vignettes not being loaded correctly
• Fixed queen vignettes showing random names when current queen is unavailable
• Fixed roles not applying correctly when closing customisation menu by clicking off