Updated Spanish translation
Fix bug 588844 - query dialog cancels if deleted

Cancel the operation if the window close button is clicked or Escape is pressed.
Only update project if the project has indeed changed.
Rolling 3.15.2 Development Snapshot
Revert "glade-inspector: Use a GtkSearchEntry"

This reverts commit 9d462d504e3f82df7524c68f13bc98863272919c.

The search entry dominates the entry icons, which are used by
Glade (Glade uses the secondary icon to 'expand-all' the treeview
in a single click).
Updated Spanish translation