Merge cgogn:~jund/CGoGN_Apps/SA2
Conflicts: include/agent.h include/env_generator.h include/env_generator.hpp include/env_map.h include/env_render.h include/exportObstacles.h include/exportObstacles.hpp include/obstacle.h include/path_finder.h include/path_finder.hpp include/simulator.h include/viewer.h src/agent.cpp src/env_map.cpp src/simulator.cpp src/viewer.cpp