Updates license in ServiceUserManagement.ps1

Author: alexpilotti

ServiceUserManagement.ps1

@@ -1,19 +1,24 @@
+<#
+Copyright 2012 Aaron Jensen (Carbon C# code)
+Copyright 2014 Cloudbase Solutions Srl (PowerShell script)
+
+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.
+#>
+
 $Source = @"
 /*
- * Copyright 2012 Aaron Jensen
- *
- * 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.
- */
+Original sources available at: https://bitbucket.org/splatteredbits/carbon
+*/
 
 using System;
 using System.Collections.Generic;