Changes for empty file and link in create and edit for news and announcement + partially fix tinymce

app/assets/javascripts/tinymce_orbit.js.erb

@@ -40,7 +40,11 @@ function load_tinymce() {
     template_replace_values : {
       username : "Some User",
       staffid : "991234"
-    }
+    },
+
+    // Valide HTML elements
+    valid_elements : '*[*]',
+    valid_children : '*[*]'
   });
 }
 function myFileBrowser(field_name, url, type, win) {