RCP: X.X, Analec annotation edition mouse management
Currently the double-click is not processed ->impossible to create a unit based on a double-click selection.
Solution
* change mouse listener from (down, up) to (click, double-click)
The Double click event = MouseDown ->MouseUp ->MouseDown. We just need to not process the next MouseUp
(from redmine: issue id 1891, created on 2016/09/30 by Serge Heiden)