Rewrite constructObject as variadic
Rewrite constructObject as variadic

Change-Id: I483b1547673e014512ae0767d36b13216d1276cf
Reviewed-on: http://gerrit.aldebaran.lan/65846
Reviewed-by: vpaleologue <cb19838a79eb484e12a6960acfbf7c16dfdb80d9@aldebaran-robotics.com>
Tested-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi