* gladeui/glade-property-class.c, gladeui/glade-property-class.h:
  added save_always member in GladePropertyClass.

* gladeui/glade-property.c: always save if class or property save_always is true.

* gladeui/glade-xml-utils.h: added GLADE_TAG_SAVE_ALWAYS tag.

* plugins/gtk+/glade-gtk.c: removed, now unnecesary, call to 
  glade_widget_property_set_save_always() in glade_gtk_dialog_post_create()

* plugins/gtk+/gtk+.xml.in: set save-always true in GtkDialog's "type-hint" and 
  GtkScrolledWindow's "can-focus" properties.

svn path=/trunk/; revision=1305