change style of main railways
fix spacing, line breaks of #railway
change style of other types of railways
fixed spacing one more time ;)
write additional types for other rail types (spurs, yards) in railway sql query
removing perpendicular-dashes from railways and other improvements for disused railways
fix zoom level to 20, our current max, improve railway query that ignores railway=abandoned
min zoom of rail main now back at 12, as we started
Merge pull request #151 from skorasaurus/classic-rr

change style of main railways (railways=main)
Fix roads layer ordering (fix #153)