Laurent Bessard [Thu, 02 May 2013 10:42:17 +0200] rev 817
Fixed warning in accessor __SET_EXTERNAL
Laurent Bessard [Thu, 18 Apr 2013 22:27:01 +0200] rev 816
Fixed bug when defining task with single_data_source instead of interval_data_source
Edouard Tisserant [Fri, 05 Apr 2013 09:37:52 +0900] rev 815
Merged Mario's changes