add empty manifest
add launch map and src directory
add 2dnav.launch and add move action and at predicate to problem.l
add loading pr2.l in main.l
main.l always check ROS_IP and ROS_HOSTNAME at the beggining
add sound_play.py for jtalk
fix typo rospack find ->
add sample-motion.l for the simplest sample to move pr2 from euslisp
add optional argument: duration for send-pr2-joint-angles function
change middle-body-joint-angle-list API: omit string-upcase for joitn name
fix many bags to move pr2 by joint angle actionlib interface
change to use new ros::time api
defun send-sample-pose
type of optional duration changed ros::time -> second
add send-reset-pose
add pr2_controller_msgs as depend
add hold-cup, hold-cap for sample of :fix and :relative mode in :inverse-kinematics
add codes for running gazebo simulation
add duratoin option in hold-cup, hold-cap
send :velocitie, add :header :seq, :goal :trajectory :header stamp in JointTraectoryPoint