canonicalize contributor names and addresses

diff --git a/.mailmap b/.mailmap
new file mode 100644 (file)
index 0000000..8137d2d
--- /dev/null
+++ b/.mailmap
@@ -0,0 +1,3 @@
+# https://www.kernel.org/pub/software/scm/git/docs/git-shortlog.html#_mapping_authors
+Matt S Trout <mst@shadowcat.co.uk> <matthewt@hercule.scsys.co.uk>
+Matt S Trout <mst@shadowcat.co.uk> matthewt <matthewt@89-16-177-128.no-reverse-dns-set.bytemark.co.uk>