ADD: Zeppelin LZ6 (Giuseppe)
ADD: Zeppelin LZ10 (mail) (Giuseppe)
ADD: .dat files (awaiting finished graphics) for many LCC trams and the Sheffield Rocker Panel tram
CHANGE: Improved menu buttons with shortcut key hints
CHANGE: Some minor changes to some of the new trams
ADD: Differentiated depot graphics for different traction types (road and tram only: TODO: the same for rail)
CHANGE: Minor GUI revisions
ADD: Graphically differentiated depots by traction type for sea, rail and narrow gauge