minor addition of pedsim to spencer to launch files
FIXED slow termination of the main node due to SIGINT and SIGDFL conflicts
changed history
Update History.md
fix small bug with missing signal header
Merge remote-tracking branch 'origin/master' into indigo-devel
- teleop working as virtually a real robot, command in x and theta of the robot representation
- old file for teleop in velocities x and y of the environment representation now called "robot_teleop_joystick_vxy.cpp"