Aurélien Gâteau f145e1de8e Fix behavior of "runners" property
This commit changes the behavior of the "runners" property when no manager
has been created yet:
- Setting the property emits runnersChanged()
  (unless it is the same as the old value)
- Reading the property after setting it returns the new value

REVIEW: 105024
2012-05-29 17:42:11 +02:00
..
2012-05-28 19:43:34 +02:00