Issue 370 - Right-clicked element is removed independent of created filter

_locales/sl/messages.json

 {
   "add": {
     "message": "Dodaj"
   },
   "add_domain_button": {
     "message": "Dodaj domeno"
   },
   "add_filter_button": {
     "message": "Dodaj filter"
   },
@@ skipping 14 matching lines @@
   },
   "edit_filters_raw": {
     "message": "Uredi filtre kot golo besedilo"
   },
   "filter_lists": {
     "message": "Seznam filtrov"
   },
   "general": {
     "message": "Splošno"
   },
+  "name_devbuild": {
+    "message": "Adblock plus razvojna gradnja"
+  },
   "options": {
     "message": "Adblock Plus možnosti"
   },
   "out_of_date_lists": {
     "message": "Zastareli seznami se redno posodabljajo."
   },
   "remove_button": {
     "message": "Odstrani izbrane"
   },
   "show_block_element_menu": {
     "message": "Prikaži 'Blokiraj element' v meniju desnega klika"
   },
-  "show_icon": {
-    "message": "Prikaži ikono v naslovni vrstici"
-  },
   "subscriptionSelection_subscriptionSelector_label": {
     "message": "Prosim izberite naročnino na filter s seznama:"
   },
   "update_now": {
     "message": "Posodobi sedaj"
   }
 }