fixed exception message
moved docs into separate directory
added routing.md doc
added low-level-api
Added custom extensions to GPX export (#157)
Fixed license headers
Better number mapping for GPX turn information in
added ch docs
Tidier use of functions for calculation of orientation and fixed code formatting
fixed #140
Some more changes and testcases for turn recognition in gpx export
minor fixes for spatial key encoding and region search
fixed #162, therefor bug fix necessary in GHUtility.copyTo and QueryGraph which needs new method detach(false)
removed unnecessary code. thanks @renauddl
fixed #161
renamed swapDirections to reverseFlags
minor refactoring that does not require extensions in GPXEntry
Merge branch 'issue_160'
made round for distance protected to InstructionList
fixed test for jdk8