Make sure that atStop handlers are call only once
Make sure that atStop handlers are call only once

Change-Id: I6647273fc0785886fab215127383da8835a05a51
Reviewed-on: http://gerrit.aldebaran.lan/55544
Reviewed-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>
Approved: hcuche <2a0975cc082cedff4d4350e3f6ec187146151bc6@aldebaran-robotics.com>
Reviewed-by: hcuche <2a0975cc082cedff4d4350e3f6ec187146151bc6@aldebaran-robotics.com>
Tested-by: hcuche <2a0975cc082cedff4d4350e3f6ec187146151bc6@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi