I broke drag and drop with LP#1192679. This fixes dnd, plus the original bug.

terminatorlib/terminal.py

@@ -779,7 +779,7 @@ class Terminal(gtk.VBox):
             if event.type == gtk.gdk._2BUTTON_PRESS or \
                event.type == gtk.gdk._3BUTTON_PRESS:
                 # Ignore these, or they make the interaction bad
-                return False
+                return True
             # Super key applies interaction to all terms in group
             include_siblings=event.state & gtk.gdk.MOD4_MASK == gtk.gdk.MOD4_MASK
             if include_siblings:

terminatorlib/titlebar.py

@@ -225,7 +225,6 @@ class Titlebar(gtk.EventBox):
         self.show()
         self.label.show()
         self.emit('clicked')
-        return True
 
     def on_edit_done(self, widget):
         """Re-emit an edit-done signal from an EditableLabel"""