COOK-821 comment cleanup for consistency w/ readmes as applicable

attributes/default.rb

@@ -1,3 +1,20 @@
+#
+# Author:: Joshua Timberman <joshua@opscode.com>
+# Copyright:: Copyright (c) 2009, Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+
 default[:postfix][:mail_type]  = "client"
 default[:postfix][:myhostname] = fqdn
 default[:postfix][:mydomain]   = domain