Variou details:

- Put the MIT copyright at the end.
- Move the directory /other -> tools
- Various improvements.

include/ftxui/component/receiver.hpp

@@ -1,7 +1,3 @@
-// Copyright 2020 Arthur Sonzogni. All rights reserved.
-// Use of this source code is governed by the MIT license that can be found in
-// the LICENSE file.
-
 #ifndef FTXUI_COMPONENT_RECEIVER_HPP_
 #define FTXUI_COMPONENT_RECEIVER_HPP_
 
@@ -118,3 +114,7 @@ Receiver<T> MakeReceiver() {
 }  // namespace ftxui
 
 #endif  // FTXUI_COMPONENT_RECEIVER_HPP_
+
+// Copyright 2020 Arthur Sonzogni. All rights reserved.
+// Use of this source code is governed by the MIT license that can be found in
+// the LICENSE file.