Enable streaming of std::string

Add string in the types that can be handled by signals.

Changes since v2.3.0:
- Added the Kinova arm + ANYmal with kinova
- renamed the reference postures
- Add package.xml to allow build in catkin workspace
- Update CMake

Changes since v0.0.3:
- Add eiquadprog-rt
- Fix license
- Configure CI
- Reformat
- update CMake

Packaging changes:
- require CMake >= 3

to fix the name of a required included dependency

Changes since v4.7.0:
- fix format

Fix PLIST
Fix libSpringPlugin.cc (compatible now with Gazebo 9.0)

New Feature6d which is simpler than previous Feature.

Bump PKGREVISION to 1
Two patches added.

PKGREVISION 1.

Changes since v1.2.2:
- [CMake] sync submodule
- [CMake] add option INSTALL_PYTHON_INTERFACE_ONLY
- [Python][Test] use unittest
- Format

Packaging changes:
- use devel/jrl-cmakemodules

Add talos model with flexibilities.

As this was not fixed by robotpkg / 9039d614b4aa1203900a6a9d094b503a6f590974

This reverts commit 6ce77af9.

Fixed by robotpkg / 9039d614b4aa1203900a6a9d094b503a6f590974

This reverts commit 501226aa.

fixed by robotpkg / 9039d614b4aa1203900a6a9d094b503a6f590974

Changes since v4.5.0:
- Allow Python 3
- Fix typo
- Format