Pb with pinocchio v2.1.0 and retrieveCollisionGeometrey.
It works only if this method is inline.

Eigen is by default column-major, but dgesv is working on column major.

Not tested yet.

[CI] Add .gitlab-ci.yml & badges

Fix sizetype.

Minor changes to the devel branch

* [c++][src/pinocchiorobot.cpp] body and BODY both are acceptable joint names
* add .version file

Conflicts:
	src/ZMPRefTrajectoryGeneration/nmpc_generator.cpp
	src/ZMPRefTrajectoryGeneration/nmpc_generator.hh
	tests/CMakeLists.txt
	tests/TestNaveau2015.cpp