LICENSE: Update year and authors

Also add SPDX-License-Identifier: MIT to API source files for clarity.

CONTRIBUTING.md

@@ -1,24 +0,0 @@
-
-
-### Prerequisites
-
-* Git
-* Python 3
-* Pipenv
-
-For docs:
-* Inkscape
-* Make
-
-
-### Setup
-
-    git clone --recursive https://github.com/pybricks/pybricks-api
-    cd pybricks-api
-    pipenv sync --dev
-
-
-### Build Docs
-
-    pipenv shell
-    make -C doc html

LICENSE

@@ -1,8 +1,6 @@
 MIT License
 
-Copyright (c) 2018-2019 Laurens Valk
-Copyright (c) 2018-2019 David Lechner
-Copyright (c) 2019 LEGO System A/S
+Copyright (c) 2018-2020 The Pybricks Authors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

pybricks/builtins.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Generic cross-platform module for typical devices like lights, displays,
 speakers, and batteries."""
 

pybricks/ev3devices.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """LEGO® MINDSTORMS® EV3 motors and sensors."""
 
 from .parameters import Direction

pybricks/hubs.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """LEGO® Programmable Hubs."""
 from enum import Enum
 from .builtins import Speaker, Battery, ColorLight, KeyPad

pybricks/iodevices.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Generic input/output devices."""
 
 

pybricks/media/ev3dev.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Images and Sounds for Pybricks on ev3dev."""
 
 from ..parameters import Color

pybricks/messaging.py

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: MIT
-# Copyright (C) 2020 David Lechner
+# Copyright (c) 2018-2020 The Pybricks Authors
 
 """
 Classes to exchange messages between EV3 bricks.

pybricks/nxtdevices.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Use LEGO® MINDSTORMS® NXT motors and sensors with the EV3 brick."""
 
 

pybricks/parameters.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Constant parameters/arguments for the Pybricks API."""
 
 from enum import Enum

pybricks/pupdevices.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """LEGO® Powered Up motor, sensors, and lights."""
 
 from .builtins import KeyPad, Accelerometer, ColorLight

pybricks/robotics.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Robotics module for the Pybricks API."""
 
 from .parameters import Stop

pybricks/tools.py

@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2018-2020 The Pybricks Authors
+
 """Common tools for timing and data logging."""