add a GPL copyright header to the javascript plugin template

deluge/scripts/create_plugin.py

@@ -284,7 +284,40 @@ class WebUI(WebPluginBase):
         pass
 """
 
-DEFAULT_JS = """%(name)sPlugin = Ext.extend(Deluge.Plugin, {
+DEFAULT_JS = """/*
+Script: %(filename)
+    The client-side javascript code for the %(name) plugin.
+
+Copyright:
+    (C) %(author_name)s 2009 <damoxc@gmail.com>
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3, or (at your option)
+    any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, write to:
+        The Free Software Foundation, Inc.,
+        51 Franklin Street, Fifth Floor
+        Boston, MA  02110-1301, USA.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the OpenSSL
+    library.
+    You must obey the GNU General Public License in all respects for all of
+    the code used other than OpenSSL. If you modify file(s) with this
+    exception, you may extend this exception to your version of the file(s),
+    but you are not obligated to do so. If you do not wish to do so, delete
+    this exception statement from your version. If you delete this exception
+    statement from all source files in the program, then also delete it here.
+*/
+
+%(name)sPlugin = Ext.extend(Deluge.Plugin, {
 	constructor: function(config) {
 		config = Ext.apply({
 			name: "%(name)s"