A+C: add Ingo Oeser (individual CLA)

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5794061

AUTHORS

@@ -89,6 +89,7 @@ Harley Laue <losinggeneration@gmail.com>
 Hector Chu <hectorchu@gmail.com>
 Hong Ruiqi <hongruiqi@gmail.com>
 Icarus Sparry <golang@icarus.freeuk.com>
+Ingo Oeser <nightlyone@googlemail.com>
 Isaac Wagner <ibw@isaacwagner.me>
 James Fysh <james.fysh@gmail.com>
 James Meneghello <rawrz0r@gmail.com>

CONTRIBUTORS

@@ -133,6 +133,7 @@ Hector Chu <hectorchu@gmail.com>
 Hong Ruiqi <hongruiqi@gmail.com>
 Ian Lance Taylor <iant@golang.org>
 Icarus Sparry <golang@icarus.freeuk.com>
+Ingo Oeser <nightlyone@googlemail.com> <nightlyone@gmail.com>
 Isaac Wagner <ibw@isaacwagner.me>
 Ivan Krasin <krasin@golang.org>
 Jacob Baskin <jbaskin@google.com>