Merge branch 'coverage' into 'devel'

doc/additionalDoc/debug-doc.h

doc/additionalDoc/debug-logger.h

doc/additionalDoc/debug-real-time-logger.h

doc/additionalDoc/debug-trace-doc.h

doc/additionalDoc/entity.h

doc/additionalDoc/extension.h

doc/additionalDoc/factory.h

doc/additionalDoc/graph.h

doc/additionalDoc/pool.h

doc/additionalDoc/references.h

include/dynamic-graph/all-commands.h

include/dynamic-graph/all-signals.h

include/dynamic-graph/command-bind.h

include/dynamic-graph/command-direct-getter.h

include/dynamic-graph/command-direct-setter.h

include/dynamic-graph/command-getter.h

include/dynamic-graph/command-getter.t.cpp

include/dynamic-graph/command-setter.h

include/dynamic-graph/command-setter.t.cpp

include/dynamic-graph/command.h