Difficulty setting, very large scaffolding

New extra large scaffolding.
Trimmed down bridge job, removed some beams.
Difficulty slider in the options allows reducing difficulty if stuck.
Option to turn off timelapse capture - potential fix for skipping mouse.
Improved Cherry Picker, gets stuck less easily, fixed camera jump when getting off.
Prevented picking up and moving items when on the Cherry Picker
Improved item placement from the store