changed launchfile for running planning_node
fixed error when converting kinect/image_raw to mono8
image_raw and image_color are the same images with different encoding
visibility checker waits for new images
skipping sample if error occurs
modified box for testing
replaced cob3-3 with $(env ROBOT)
beautifying(PEP 8)
fixed "Starting state in collision"
removed debug print commands
collect_data node saves transformations for given chains.
new position_sampling strategy 
generate positions with viewfieldcheck
joint limits for position generation from parameterserver
removed unused launchfile
fixed missing dependency for parsing robot description
removed unused parameter for calibration position generation
optimization with transformations partly calculated by tf
fixed sign for torso_states
launchfiles for simulation
error if wrong topic is specified
moved sources of cob_calibration_executive from /script to /src
new class for estimated torso_ik