Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Obstacles had the same label for exit and  enter.
re #107 refactoring
Merge pull request #131 from ivanovv/exit-label

Exit label
Pass hardcoded "true" for all hidden barriers
re 102
Merge pull request #132 from ivanovv/wheelchair-highlight

Pass hardcoded "true" for all hidden barriers
Merge branch 'master' of github.com:nextgis/metro4all into incluhack