add Eoghan Sherry as author and contributor

R=r, r2
CC=golang-dev
https://golang.org/cl/3311043
diff --git a/AUTHORS b/AUTHORS
index b5c7d02..1e0e6f8 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -40,6 +40,7 @@
 Dean Prichard <dean.prichard@gmail.com>
 Devon H. O'Dell <devon.odell@gmail.com>
 Eden Li <eden.li@gmail.com>
+Eoghan Sherry <ejsherry@gmail.com>
 Eric Clark <zerohp@gmail.com>
 Evan Shaw <chickencha@gmail.com>
 Fazlul Shahriar <fshahriar@gmail.com>