1.616 Update - electric auto turret and fuel generator

Electric Stuff
- auto turret (sentry) is now electrically powered and has other features from the latest Rust update
- fuel generator added, fuel level can be set on it's panel
- battery charge amount can be set
- fixed bugs with electric parts after using stability mode
- the IO panel shows the connected device name
- wind turbines now use the max Rust power at that height
- the large battery model changes will be patched in soon
The copyPaste plugin currently has a missing wires issue after the Rust update.
Other Changes
- edit mode has an option to save selection when exiting mode
- added the hanging signs
- camera speeds can be set with F1 - F3
- menu keyboard shortcut now customizable
- hitch n trough can be placed on floors
Placement Options
- new option to disable the LMB down auto-placement (no more unintentional foundations)
- Free Place has been combined with the No Height Limit option and now allows foundations to be stacked (Allow Overlap is also needed) for you few conan players
- Free Place also brings back the old pillar button