updated license file

LICENSE.txt

@@ -1,4 +1,5 @@
-Copyright 2012 The MITRE Corporation
+Copyright 2013 The MITRE Corporation
+  and the MIT Kerberos and Internet Trust Consortium
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -10,4 +11,4 @@ Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
-limitations under the License.
+limitations under the License.