FIX: avoid use-after-free error caused by a static iterator
FIX: minor bugs in the city road removal code
re-enable building bridges when expanding a city
Merge branch 'james-bridges' of https://github.com/pipcet/simutrans-experimental.git into way-improvements
Merge branch 'james-deleting-city-roads' of https://github.com/pipcet/simutrans-experimental.git into way-improvements
FIX: re-enable more than 16 city syllables
Merge branch 'james-citynames' of https://github.com/pipcet/simutrans-experimental.git into way-improvements
FIX: off-by-one in the monument code that resulted in redundant roads