Take into account root joints that are not freeflyer joints in ScenePublisher.
Start to add a tutorial using PR2.
disabled output of ros publisher to stdout
added polygon filled and sphere markers for display in rviz
added last line to polygon | changed color
reference frame can now be changed in first line
Name of root joint is now parameterizable.
Remove reference to objects that are not in the urdf file.
Move files related to tutorial to hpp-tutorial package.
Fix CMakeLists.txt.
ScenePublisher publishes the position of robots in the "map" frame.

  - "odom" frame does not make a lot of sense in path planning.
Move PathPlayer from hpp.tools to hpp_ros.
Use cmake submodule to install documentation.
Add missing setup_project_finalize in CMakeLists.txt.
replaced deprecated polygonfilled method