Create top-level dir tools-webrtc and start moving things into it.

tools/matlab/maxUnwrap.m

-function sequence = maxUnwrap(sequence, max)
-%
-% sequence = maxUnwrap(sequence, max)
-% Unwraps when a wrap around is detected.
-%
-% Arguments
-%
-% sequence: The vector to unwrap.
-% max: The maximum value that the sequence can take,
-%      and after which it will wrap over to 0.
-%
-% Return value
-%
-% sequence: The unwrapped vector.
-%
-
-% Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
-%
-% Use of this source code is governed by a BSD-style license
-% that can be found in the LICENSE file in the root of the source
-% tree. An additional intellectual property rights grant can be found
-% in the file PATENTS.  All contributing project authors may
-% be found in the AUTHORS file in the root of the source tree.
-
-sequence = round((unwrap(2 * pi * sequence / max) * max) / (2 * pi));