/**
* Stops the selected building action
*/
private void stopSelectedBuildingAction() {
DelayedAction a = getSelectedBuildingAction();
// Robot release
GameData.getSelectedColony().releaseRobots(a.getRobotsUsed());
// Deletion of the action in the GameData
if (a instanceof BuildingAction) {
BuildingAction ba = (BuildingAction) a;
GameData.getSelectedColony().getBuildingActions().remove(ba);