[ReedsSheppPath] Fix bug when curvature is different from 1.

  rename member currentLength_ -> rsLength_.

Fix ProblemSolver::maxIterPathPlanning 

[ProblemSolver] Allow to disable path validations

  - Add "NoValidation" as a key for PathValidations selection.

[kinodynamic] replace test (float==0) with an epsilon

Release of version 4.5.0.

[PathPlanner] Replace tryDirectPath by tryConnectInitAndGoals

fix build

to fix build on recent BOOST

  This new method tries to connect the initial and goal configurations to
  other connected components of the roadmap before developing the roadmap
  further. When planning from an initial to goal configurations without
  precomputed roadmap, this method should be equivalent to tryDirectPath.

required since https://github.com/humanoid-path-planner/hpp-pinocchio/pull/86

Release of version 4.4.0.

* following the change of the typedef ProblemPtr_t

* following a rebase.