list current authors

.mailmap

+Piotr Benedysiuk <benedysiuk.piotr@gmail.com>
+Toeno van der Sar <t.vandersar@tudelft.nl>

AUTHORS.md

+The following people contributed to making of these lecture notes:
+
+* Anton Akhmerov
+* Bas Nijholt
+* Iacopo Bertelli
+* Joana Fraxanet Morales
+* Piotr Benedysiuk
+* Sander Otte
+* Toeno van der Sar
+
+<!--
+Execute
+git shortlog -s | sed -e "s/^ *[0-9\t ]*//"| xargs -i sh -c 'grep -q "{}" AUTHORS.md || echo "{}"'
+
+To check if any authors are missing from this list.
+ -->