removed sysout
code cleaned
changed roadid lookup
added hack with yoffset for bidirectional roads
working intermediate state for unconnected roads
working examples (w/o) junctions
running onramp examples
minors
Merge branch 'bidirectional'
Revert "Merge branch 'bidirectional'"

This reverts commit 1b08afda89b8f46f916b450a7ff3dc37526d802b, reversing
changes made to 256e187d1835c2bc5455cbc768e951e632f6a335.