Beta 265
-Prevent hard crash selling lifts if one or more floor is a lift shaft
-lift signage correctly rotated when built (formerly required one rotation on certain angles)
-commuters have varying lift priorities vs stairs, so will sometimes pick one or other if both available (formerly would always choose stairs for the exercise)
-added many new icons for recent new tech, new lift, turnstile 2, ticket 2, map 2, map 3, indicator 2, light 2, light 3, handwash 1, handwash 2, powergen 3, substation, rat trap
