renamed file and added licensing comments

Author: Nuo Yan

chef/lib/chef/util/FileEdit.rb chef/lib/chef/util/fileedit.rbchef/lib/chef/util/FileEdit.rb renamed to chef/lib/chef/util/fileedit.rb

@@ -1,3 +1,20 @@
+#
+# Author:: Nuo Yan (<nuo@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.
+
 require 'ftools'
 require 'fileutils'
 require 'tempfile'