Add a .mailmap file to collate together multiple author entries.

This reduces the 484 separate authors into 405, removing some obviously
invalid addresses on the way.

.mailmap

@@ -0,0 +1,112 @@
+# SPDX-FileCopyrightText: 2020 Diego Elio Pettenò
+#
+# SPDX-License-Identifier: Unlicense
+
+Alexander Steffen <[email protected]>
+Alexander Steffen <[email protected]> <[email protected]>
+Alexander Steffen <[email protected]> <[email protected]>
+Benjamin Vernoux <[email protected]>
+Brent Rubell <[email protected]>
+Brent Rubell <[email protected]> <[email protected]>
+Brent Rubell <[email protected]> <[email protected]>
+Carlos <[email protected]>
+Chris Packham <[email protected]>
+Chris Packham <[email protected]> <[email protected]>
+Damiano Mazzella <[email protected]>
+Damien George <[email protected]>
+Dan Halbert <[email protected]>
+Dan Halbert <[email protected]> <[email protected]>
+Daniel Pollard <[email protected]>
+Daniel Pollard <[email protected]> <[email protected]>
+Daniel Tralamazza <[email protected]>
+Daniel Tralamazza <[email protected]> <[email protected]>
+David Glaude <[email protected]>
+David Glaude <[email protected]> <[email protected]>
+George Waters <[email protected]>
+George Waters <[email protected]> <[email protected]>
+Ha Thach <[email protected]>
+Henrik Sölver <[email protected]>
+Ilya Dmitrichenko <[email protected]>
+Ilya Dmitrichenko <[email protected]> <[email protected]>
+Jason Pecor <[email protected]>
+Jeff Epler <[email protected]>
+Jeff Epler <[email protected]> <[email protected]>
+Jeff Epler <[email protected]> <[email protected]>
+Jeff Epler <[email protected]> <[email protected]>
+Jerry Needell <[email protected]>
+Joe Bakalor <[email protected]>
+Josh Klar <[email protected]>
+Josh Klar <[email protected]> <[email protected]>
+Juan Biondi <[email protected]>
+Juan Biondi <[email protected]> <[email protected]>
+KalbeAbbas <[email protected]>
+KalbeAbbas <[email protected]> <kalbeabbas@[email protected]>
+Kamil Tomaszewski <[email protected]>
+Kamil Tomaszewski <[email protected]> <[email protected]>
+Kattni <[email protected]> <[email protected]>
+Kattni Rembor <[email protected]>
+Kenny <[email protected]>
+Kenny <[email protected]> <[email protected]>
+Kevin Townsend <[email protected]>
+Kevin Townsend <[email protected]> <[email protected]>
+Krzysztof Blazewicz <[email protected]>
+Krzysztof Blazewicz <[email protected]> <[email protected]>
+Li Weiwei <[email protected]>
+Li Weiwei <[email protected]> <[email protected]>
+Limor "Ladyada" Fried <[email protected]>
+Limor "Ladyada" Fried <[email protected]> <ladyada>
+Lucian Copeland <[email protected]>
+Lucian Copeland <[email protected]> <[email protected]>
+Mark Olsson <[email protected]>
+Mark Olsson <[email protected]> <[email protected]>
+Matt Land <[email protected]>
+Matt Land <[email protected]> <[email protected]>
+Matt Wozniski <[email protected]>
+Matt Wozniski <[email protected]> <[email protected]>
+Melissa LeBlanc-Williams <[email protected]>
+Melissa LeBlanc-Williams <[email protected]> <[email protected]>
+Metallicow <[email protected]>
+Metallicow <[email protected]> <[email protected]>
+Peter Hinch <[email protected]>
+Peter Hinch <[email protected]> <[email protected]>
+Radomir Dopieralski <[email protected]>
+Radomir Dopieralski <[email protected]> <[email protected]>
+Rafa Gould <[email protected]>
+Rafa Gould <[email protected]> <[email protected]>
+Ryan Shaw <[email protected]>
+Ryan Shaw <[email protected]> <[email protected]>
+Sabas <[email protected]>
+Sabas <[email protected]> <[email protected]>
+Sabas <[email protected]> <[email protected]>
+Scott Shawcroft <[email protected]>
+Scott Shawcroft <[email protected]> <[email protected]>
+Scott Shawcroft <[email protected]> <[email protected]>
+Scott Shawcroft <[email protected]> <[email protected]>
+Scott Shawcroft <[email protected]> <[email protected]>
+Sebastian Plamauer <[email protected]>
+Sebastian Plamauer <[email protected]> <[email protected]>
+Senuros <[email protected]>
+Senuros <[email protected]> <[email protected]>
+Stewart Colborne <[email protected]>
+Stewart Colborne <[email protected]> <[email protected]>
+TG-Techie <[email protected]>
+TG-Techie <[email protected]> <[email protected]>
+Thea Flowers <[email protected]>
+Thea Flowers <[email protected]> <[email protected]>
+Tobias Badertscher <[email protected]>
+Tobias Badertscher <[email protected]> <[email protected]>
+danicampora <[email protected]>
+danicampora <[email protected]> <[email protected]>
+dherrada <[email protected]>
+dherrada <[email protected]> <[email protected]>
+dherrada <[email protected]> <=>
+glennrub <[email protected]>
+retoc <[email protected]>
+retoc <[email protected]> <[email protected]>
+siddacious <[email protected]>
+siddacious <[email protected]> <[email protected]>
+siddacious <[email protected]> <[email protected]>
+sommersoft <[email protected]>
+sommersoft <[email protected]> <[email protected]>
+stijn <[email protected]>
+stijn <[email protected]> <[email protected]>