- add inline function to normalize a configuration.

  This operator is used to convert from fcl to eigen.

  Computation are more robust.

  - when calling addChildJoint, compute maximal distance of the child joint and
    not of the parent.

  Parsing doxytag files make recent versions of doxygen run into an infinite
  loop.

Joseph Mirabel authored Feb 04, 2015 and Joseph Mirabel committed Feb 20, 2015

modified.

In CollisionObject, store and return joint as non const.

  Manipulating const Joint is not realistic.

Corrected error message

  - display local position of objects in joint frame.

  - this does not make any sense.

Move operator<< for Joint and Device into namespace hpp::model

  Cut long lines.

  for a mysterious reason, the doxygen refuses to generate the documentation
  of those inline functions.

  Avoid conflict between fcl official version as installed by ROS and hpp
  modified version.

Fix bug in Joint copy constructor