draw the red bubble behind everything

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
add zoom value in the link that can be obtained

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
fix the debugging button ("d")

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
add a parameter called play in the address

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>