Make DFS getStack public instead of protected.
Make DFS getStack public instead of protected.



git-svn-id: ea8dc44323ac57449cbfb89d58b37d570afecc0a@686 4a7320f3-3611-0410-a4d0-ef7ff04b8906

rcpoison/jgrapht,alexeykudinkin/jgrapht,kashak79/jgrapht,mt0803/jgrapht,feilong0309/jgrapht,VoVanHai/jgrapht,AidanDelaney/jgrapht,WorstCase00/jgrapht,AidanDelaney/jgrapht,feilong0309/jgrapht,gjroelofs/jgrapht,alexeykudinkin/jgrapht,Infeligo/jgrapht,hal/jgrapht,wselwood/jgrapht,WorstCase00/jgrapht,mt0803/jgrapht,hal/jgrapht,cthiebaud/jgrapht,gjroelofs/jgrapht,kashak79/jgrapht,Infeligo/jgrapht,WorstCase00/jgrapht,wselwood/jgrapht,arcanefoam/jgrapht,WorstCase00/jgrapht,lingeringsocket/jgrapht,cthiebaud/jgrapht,arcanefoam/jgrapht