Make the Georgian Mansion into a city attraction.
Ship sound.
Bridges: Get rid of "lenght" typos; rationalize some lengths & heights.
Add missing height restriction parallel to restriction on rail bridges.
Add weight limits to bridges which lack them.
Make twin-shire as fast as single-shire -- because you could use two single-shires.
Fix stupid error in staging-inn.dat about snow images (images were mis-assigned).
Raise the speed of shire horses (for trains) to the same as for road horses, making them theoretically usable.
Merge branch 'new-experimental-master' into new-experimental-fixes
Fix bug in builders-yard.dat which caused the 1750 yard to ignore Wrought Iron
Merge branch 'new-experimental-master' into new-experimental-fixes

Conflicts:
	Makefile
	trains/single-shire.dat
	trains/twin-shire.dat
	ways/concrete-road-bridges.dat
	ways/concrete_rail_bridges.dat
	ways/concrete_road_bridges.dat
	ways/early-brick-bridge.dat
	ways/masonry-viaduct-road.dat
	ways/plate-girder.dat
Fix Makefile to do the same as makeALL.mos (mostly).
Fix typo in Cemetery; introduce Folly2 earlier (so it shows up in games set early)
Revert weight limits to James's weight limits (where there was difference)
Fix bug in Norfolk Wherry constraints.
Add clustering information.
Merge branch 'new-experimental-master' into pretty-cities

Conflicts:
	attractions/stone-attractions.dat
Fix typo in image file for 1890-tube-stock.
Try high tractive effort, low power for boat horse.
Fix misnamed city buildings.  James!