Merge jm in devel

.gitlab-ci.yml

.travis

CMakeLists.txt

COPYING

README.md

cmake

include/dynamic-graph/python/interpreter.hh

src/CMakeLists.txt

src/convert-dg-to-py.cc

src/debug-py.cc

src/dg-python.cc

src/dynamic-graph-py.cc

src/dynamic_graph/entity.py

src/dynamic_graph/signal_base.py

src/entity-py.cc

src/interpreter.cc

src/pool-py.cc

src/signal-base-py.cc

src/signal-wrapper.cc

src/signal-wrapper.hh