Object Type Builder: can set a description for the object type
Object Type Builder: can set a description for the object type

Change-Id: I4ecf8f4575dcb241329270cffc1669937a2b0d25
Reviewed-on: http://gerrit.aldebaran.lan/63037
Reviewed-by: jlamotte <70353e7b0c7d18b7fc75605daf0ccba69fcd3222@aldebaran.com>
Tested-by: vpaleologue <cb19838a79eb484e12a6960acfbf7c16dfdb80d9@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi