moved docking station to a place outside the robot lab
removed a table in the middle of the area (no 7); and shifted the wall by 10 centimeters to provide more space for the docking station
added the parameter for discharging rate; can be overwritten in a builder script
updated map with origin on docking station; updated rviz visualization
Merge branch 'master' of https://github.com/strands-project/strands_morse
Merge pull request #58 from kunzel/master

moved docking station in BHAM env; updated robot starting pose; updated BHAM env map with origin on docking station