This enables us to rebroadcast some events that are not captured.

fix:
…/sot-core/src/tools/device.cpp: In member function ‘virtual void dynamicgraph::sot::Device::setState(const Vector&)’:
…/sot-core/src/tools/device.cpp:248:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
       }
       ^
…/sot-core/src/tools/device.cpp:249:5: note: here
     case CONTROL_INPUT_ONE_INTEGRATION:
     ^~~~

Improves error msg when there is no robot registered in
ParameterServer (parameter-server.cpp)
Improves robustness to pragma inclusion (robot-utils.hh)
Display parameter_tree when calling displayRobotUtils
(robot-utils.cpp)

better.
Thanks to the feedback of Joseph Mirabel.

Co-authored-by: Joseph Mirabel <josephmirabel@gmail.com>

Co-authored-by: Joseph Mirabel <josephmirabel@gmail.com>

Co-authored-by: Joseph Mirabel <josephmirabel@gmail.com>

Co-authored-by: Joseph Mirabel <josephmirabel@gmail.com>

Make it internal to the implementation.

Instance of the template is created in feature-pose.
extern tag added in feature-pose.hh
Update of test_feature_generic.