adding sample_mapper to challenge_bot.launch
emily: starting to work on grab behavior
service to reset squares of a specific occupancy value (map_publisher.py)
ROS service to clear the map
grab testing in progress; merging master stuff now
fixing merge conflicts in challenge_bot.py
Merge branch 'master' into feature/state_machine
grab testing in progress
merging in the roslaunch file /screen things
fixed the fiducial ghosting problem by storing/checking tf's trans data! tested the 'not seen' logic with grab (work in progress)
clear_map service: replaced ClearMap.srv with Empty
Merge pull request #11 from eschneider1992/feature/state_machine

Testing/fixing robot grab behaviors