use geometry package to install orocos_kdl, since orocos_kdl is not installed via rosdep https://github.com/ros/rosdistro/pull/4336
supress erro message of NormalDisplay
update CHANGELOG.rst
"0.0.3"
decrease the number of the error messages from NormalDispaly
show border as default. add auto coloring option to show
clusters efficiently.
update CHANGELOG.rst
1.0.0
use shadow-fixed for travis