3.11.7 (unstable):

* MessageDialog: Deprecate get/set_image() and the property.
  (Murray Cumming)
* Popover:
  - Add closed signal.
  (Juan R. García Blanco)
  - Add closed signal.
  Correct the type of the pointing_to property and method parameter.
  (Juan R. García Blanco)
* FlowBoxChild: Add activate signal.
  (Juan R. García Blanco)