make visualization publisher static
Merge remote-tracking branch 'upstream/master'
another attempt to bugfix node fail
change back to not stop because realizing it will not work
Merge pull request #29 from mlosch/master

Fix pose_generator node fail
fix large gaps appearing in map
Merge pull request #30 from tobiasandersson/master

fix large gaps appearing in map
OccupancyGrid version of the map added