exp 1 checkpoint
exp but didn't work
doesn't really work
sth that's working but not so convincing
added observation model
checkpoint
add collision checking after simulation
add openloop & some other tweaks
benchmark framework
tweaks
Merge branch 'four_links_exp_2' into bsp_collision

Conflicts:
	data/four_links.env.xml
	src/bsp_sandbox/four_links_robot.cpp