Regenerated documentation.
Removed several hundred outdated files.  Rewrote introduction based on Delivearable D3.3 and the Brugali-2012 paper.
Ignore generated temporary files.
Added more details for Path Interpolation ans Approximation.
Fixed stopwatch, it was impossible to read the time from a stopwatch once it had been paused.
Updated and expanded documentation of the "common" classes and functions.
Commented use of KDL::Trajectory_Cmposite, which is diffeent from KDL::Trajectory.
Possibly a bug, needs investigation.
Slightly enhanced documentation.
Identified possible bug in Douglas-Peucker Approximation.  std::vector is probably not used correctly.
Updated generated documentation files