Add attribute to determine if un-diacritic versions of station names should be kept
Pass the un-diacritic attribute on to MM::Graph
Add an undiacritic version of the station name (or not)
Pass the undiacritic attribute on to Station
Added Text::Undiacritic as a prereq
Add an undiacritic version of the station name (or not)
Merge pull request #4 from Csson/undiacritic

Station names also with diacritics removed