Added gib overrides and disabled read/write on some high memory meshes:
Chippy arcade machine
Fluid switch
Piano, xylophone and drumkit
Beach chair, parasol and beach table
Wooden watchtower
SAM sites
Beds
Graveyard fence
Workbench 1, 2, 3 (and removed gibbable components (from static versions)
Computer station
Chocolate eggs
Neon signs