FIX: Previous fix for route index related crashes caused erroneous route reservations.
Merge branch '10.x' into walking-passengers
VERSION: Increment to 10.27
FIX: Braking distance texts in the depot/replace windows were not translatable
FIX: Above ground signals instead of underground signals could be built on underground ways in sliced underground mode
CODE: simplify and slightly optimize factory_bauplatz_mit_strasse_sucher_t (from Standard)
CODE: Consistent measurements of speed in a debug warning message relating to falling back to base average speeds.
CODE: Some safety modifications and refinements,
FIX: Possible cause of crash on map enlargement in some cases.
FIX: Detection of underground mode for building purposes did not work correctly in network mode (Dwachs)
CODE: Trivial change in comments.
FIX: "Mirror route" did not work properly on trains which were not assigned to a line.
CHANGE: Update the credits
Merge branch '10.x' into walking-passengers

Conflicts:
	Simutrans-Experimental.vcxproj.filters