Fix Python import

[CMake] Boost::chrono in required for tests

cmake: refactor Python bindings to allow easy creation of wheels (pip)

Update deprecation warning

  Do not suggest another deprecated header as an alternative.

fix build for Debian Jessie

[CMake] export target hpp-fcl

Update cmake to follow recent policy

Fix generateBVHModel + reduced execution time of unit-tests in debug mode.

[geometric_shape] Fix radius, CoM and inertia computation + Python unit tests