mailmap: fix "git shortlog -nse"

ctrueden · ctrueden · commit 780f0e989801 · 2014-04-18T13:29:49.000-05:00
diff --git a/.mailmap b/.mailmap
@@ -1 +1,3 @@
+Barry DeZonia <bdezonia@wisc.edu> <bdezonia@users.noreply.github.com>
 Johannes Schindelin <johannes.schindelin@gmx.de>
+Mark Hiner <hiner@wisc.edu> <hinerm@gmail.com>

Original file line number	Diff line number	Diff line change
`@@ -1 +1,3 @@`
	`1`	`+Barry DeZonia <bdezonia@wisc.edu> <bdezonia@users.noreply.github.com>`
`1`	`2`	`Johannes Schindelin <johannes.schindelin@gmx.de>`
	`3`	`+Mark Hiner <hiner@wisc.edu> <hinerm@gmail.com>`