added apache 2 license
diff --git a/src/encoding/json/jsonpointer/pointer.go b/src/encoding/json/jsonpointer/pointer.go
index 017cb8e..93cb28a 100644
--- a/src/encoding/json/jsonpointer/pointer.go
+++ b/src/encoding/json/jsonpointer/pointer.go
@@ -1,3 +1,17 @@
+// Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
+//
+// 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.
+
 // author  			sigu-399
 // author-github 	https://github.com/sigu-399
 // author-mail		sigu.399@gmail.com
diff --git a/src/encoding/json/jsonpointer/pointer_test.go b/src/encoding/json/jsonpointer/pointer_test.go
index a930aad..9f937ff 100644
--- a/src/encoding/json/jsonpointer/pointer_test.go
+++ b/src/encoding/json/jsonpointer/pointer_test.go
@@ -1,3 +1,17 @@
+// Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
+//
+// 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.
+
 // author  			sigu-399
 // author-github 	https://github.com/sigu-399
 // author-mail		sigu.399@gmail.com