add license; add sidebar dtd files

editor/ui/composer/locale/en-US/MANIFEST

@@ -1,4 +1,27 @@
+# 
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#  
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#  
+# The Original Code is Mozilla Communicator client code, released
+# March 31, 1998.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation. Portions created by Netscape are
+# Copyright (C) 1998-1999 Netscape Communications Corporation. All
+# Rights Reserved.
+# 
+# Contributor(s): 
+# 
 
 # composer:locale:en-US directory
 
 EditorAppShell.dtd
+sidebar-editor-rdf.dtd
+sidebar-editor.dtd