Put samsung copyright header to all our own source code.

Change-Id: I3cebcfef827425d16092ee7a26c39f7733572eb7

example/pathtest.cpp

@@ -1,3 +1,19 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Flora License, Version 1.1 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://floralicense.org/license/
+ *
+ * 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.
+ */
+
 #include "evasapp.h"
 #include"vpath.h"
 #include<iostream>