Plan B - v0.6.2 build 630

Improvements:

• Building depots & factories auto open the item/recipe picking panel (only on the first depot you build, then it keeps the same item)
• UI Scale option. Changed by default for QHD/4K/etc resolution
• Tutorial : add steps for building a second depot and an assembly plant.

Balance:

• Level 5 obj set to 350 people instead of 300 (so you don't get it within the demo)
• Reduce the probability of the city expansion "over" player constructions, make the city shape a bit more chaotic, do not stop on destroyed buildings, improve perfs

Bugs fix:

• Fix cities flashing between green & red at 1000 pop (and making the drones dancing)
• Fix 5% loading freeze
• fix duplicated city names
• fix depots arrows not updated when duplicating an item
• Fix roads/rails duplication UI bug

Minor:

• Line selection : highlight the origin or destination if selected
• tooltips : adding shift in +/- lines
• Some texts change
• remove Portuguese language (the translated langage is Portuguese-Brazil)
• Localization update
• Help pages: various changes, images update
• Fix (more or less) tuto language change refresh