* plugins/gtk+/glade-label-editor.c, plugins/gtk+/glade-store-editor.c,
  plugins/gtk+/glade-icon-sources.c: fixed typos, bugs #571884 and #571867

* plugins/gtk+/gtk+.xml.in: fixed typos, and mark missing translatable strings
  bugs #573661, #571861

* gladeui/glade-property.c: do not write disabled props on
  glade_property_write() fixes bug #573513

* plugins/gtk+/glade-gtk.c: added convenience function 
  glade_gtk_container_create_editable() to disable custom editables part of bug #573513.

* gladeui/glade-signal-editor.c: fixed Bug #573453
  "Signal connect-after is not functional." using Ryu Jinno`s patch as reference.

svn path=/trunk/; revision=2141