Add license on service.sdl

Add license on service.sdl, avoid using exclude.

Author: chitin <chitin1027@gmail.com>

Closes #924 from chitin/master3.
diff --git a/eagle-external/eagle-cdh/src/descriptor/service.sdl b/eagle-external/eagle-cdh/src/descriptor/service.sdl
index 786d864..ffe6a08 100644
--- a/eagle-external/eagle-cdh/src/descriptor/service.sdl
+++ b/eagle-external/eagle-cdh/src/descriptor/service.sdl
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+
 {
   "name": "EAGLE",
   "label": "Eagle",
diff --git a/pom.xml b/pom.xml
index f463221..5115602 100755
--- a/pom.xml
+++ b/pom.xml
@@ -1323,7 +1323,6 @@
                                 <!-- Java Object serial file -->
                                 <exclude>**/test/resources/appinfobyteint</exclude>
                                 <exclude>**/test/resources/appinfobytelong</exclude>
-                                <exclude>*.sdl</exclude>
                             </excludes>
                         </configuration>
                     </execution>