#4 clock topic, lidar1D fix null array, lidar 2D pointcloud publisher

Closes #4

See merge request !3

#5 folder reorganisation

Closes #5

See merge request !2

Resolve "Independant RocketBox"

Closes #2

See merge request !1

	New function to wait and start Trial
	New key to restart (R) and exit (escape)
	New feature to have odd and even participants do two different orders
	Fix RVO neighbors distance parameters not being used
	New select radius of non responsive Agent

+ Few optimization on some control laws
+ Better obstacle management
+ Update rennes demo