Changes in version 3.1.1 are: * Add 'Export Certificate' option to right click of certificate widget. * Use file system linux capabilities for memory locking. * Set correct daemon SELinux context when started from PAM module. * Fix assertions in parser. * Add GcrCollection interface to represent collections of objects. * Add GcrGnupgCollection to libgcr. * Implement functionality in renderers to populate GtkTreeModel * Add a GcrSelector widget. * Cleanup unregistering from session. * Translations and translation fixes. * Build fixes.