Add mailmap file

SylvainCorlay · SylvainCorlay · commit 87eeb94802a2 · 2015-10-05T13:57:43.000-04:00
diff --git a/.mailmap b/.mailmap
@@ -0,0 +1 @@
+Clayton Passmore <ctpassmore@gmail.com> <cpassmore3@bloomberg.net>

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Clayton Passmore <ctpassmore@gmail.com> <cpassmore3@bloomberg.net>`