path-projector::progressive requires a steering method "straight"

[pFernbach]

See

hpp-core/src/path-projector/progressive.cc

Line 70 in 135edcb

if (!sm) throw std::logic_error ("The steering method should be of type"

InterpolatedPath should be able to produce path with different interpolation method (or use the one from the steeringMethod given)

[florent-lamiraux]

I think we can close this issue.