attempt to find out why Travis build fails, take #2
attempt to find out why Travis build fails, take #2

sonny-tarbouriech/ompl,florianhauer/ompl,davetcoleman/ompl,utiasASRL/batch-informed-trees,davetcoleman/ompl,sonny-tarbouriech/ompl,florianhauer/ompl,utiasASRL/batch-informed-trees,florianhauer/ompl,jvgomez/ompl,utiasASRL/batch-informed-trees,utiasASRL/batch-informed-trees,jvgomez/ompl,sonny-tarbouriech/ompl,jvgomez/ompl,jvgomez/ompl,davetcoleman/ompl,davetcoleman/ompl,sonny-tarbouriech/ompl,jvgomez/ompl,florianhauer/ompl,davetcoleman/ompl,utiasASRL/batch-informed-trees,florianhauer/ompl,florianhauer/ompl,utiasASRL/batch-informed-trees,jvgomez/ompl,davetcoleman/ompl,sonny-tarbouriech/ompl,sonny-tarbouriech/ompl