Guidance Steering for Farming Simulator 19

• Fixed callstack while loading a savegame without loaded tracks. [#125]
• Updated edit icon for tracks.
• Fixed issue with not working Q and E buttons in the GUI.
• Fixed loading of settings from savefile like showing guidance lines.
• Fixed bug with multi action event when setting AB lines through the menu.
• Added forced braking on headland stopped state.
• Replaced spec table method calls with direct reference.
• Fixed issue with vehicles loading without the dynamically loaded parts spec. [#173]
• Added drive speed treshold to headland detection in order to prevent annoying redetections.
• Fixed bug with calculating the total length of the guidance lines.
• Add current direction angle to the GS HUD.
• Add toggle GPS action event to HUD.
• Disable GPS on first load
• Add cardinal strategy for creating AB lines. [#150]
• Updated multiple translations.