Add Apache 2.0 license header.

ssh-handler/ssh-handler.cs

@@ -2,7 +2,22 @@
 //
 // Douglas Thrift
 //
-// ssh-handler
+// ssh-handler.cs
+
+/*  Copyright 2013 Douglas Thrift
+ *
+ *  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.
+ */
 
 using System.Diagnostics;
 using System.Text;