go-tour: add copyright notices
R=adg
CC=golang-dev
https://golang.org/cl/6589070
diff --git a/gotour/solutions/binarytrees.go b/gotour/solutions/binarytrees.go
index bcd454e..6a384d4 100644
--- a/gotour/solutions/binarytrees.go
+++ b/gotour/solutions/binarytrees.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/complexcube.go b/gotour/solutions/complexcube.go
index d4dc0e2..d7fa50a 100644
--- a/gotour/solutions/complexcube.go
+++ b/gotour/solutions/complexcube.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/errors.go b/gotour/solutions/errors.go
index 2b625b4..8f13423 100644
--- a/gotour/solutions/errors.go
+++ b/gotour/solutions/errors.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/fib.go b/gotour/solutions/fib.go
index efdc639..9a8a416 100644
--- a/gotour/solutions/fib.go
+++ b/gotour/solutions/fib.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import "fmt"
diff --git a/gotour/solutions/image.go b/gotour/solutions/image.go
index 6bfec92..cbbad5c 100644
--- a/gotour/solutions/image.go
+++ b/gotour/solutions/image.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/loops.go b/gotour/solutions/loops.go
index 810f861..2c4dc93 100644
--- a/gotour/solutions/loops.go
+++ b/gotour/solutions/loops.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/maps.go b/gotour/solutions/maps.go
index a158289..5c64f46 100644
--- a/gotour/solutions/maps.go
+++ b/gotour/solutions/maps.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/rot13.go b/gotour/solutions/rot13.go
index 5533359..354726f 100644
--- a/gotour/solutions/rot13.go
+++ b/gotour/solutions/rot13.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/gotour/solutions/slices.go b/gotour/solutions/slices.go
index 035f9ac..e4eacdd 100644
--- a/gotour/solutions/slices.go
+++ b/gotour/solutions/slices.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import "tour/pic"
diff --git a/gotour/solutions/webcrawler.go b/gotour/solutions/webcrawler.go
index 3ec2444..ec09a99 100644
--- a/gotour/solutions/webcrawler.go
+++ b/gotour/solutions/webcrawler.go
@@ -1,3 +1,7 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
