Partial rewrite
Misc changes/fixes
Switching station tweaks
Remove generator background
Remove idle power drain from CNC, music player, and tool workshop
Add proximity damage to active reactors
Misc forcefield changes
Add quarry and wind mill. Rewrite concrete. Misc changes.
Made the tool workshop a MV machine
Fix mesecons_mvps loading after technic

This made the mesecon:register_mvps_stopper call in forcefield.lua fail.
Use the new Settings API.