[glade3] (4 commits) ...Patch to add glade_signal_editor_get_widget(), needed for Anjuta

[Kalev Lember]

Summary of changes:

  cc4b29e... 3.11.0 (*)
  e7c008e... fix sources (*)
  fa22240... 3.11.0 (*)
  729e3ac... Patch to add glade_signal_editor_get_widget(), needed for A (*)

(*) This commit already existed in another branch; no separate mail sent