[GraphHopper] Tutorial for InstructionList usage

[Emux]

Maybe you're using an older GraphHopper version where the find method 
does not exist?

(The core is actually the main library that we're using and does it all)

-- 
Emux
Cruiser <http://wiki.openstreetmap.org/wiki/Cruiser> - Atlas 
<http://wiki.openstreetmap.org/wiki/Atlas_%28navigation_application%29>
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