merge branch 'pr-214'

  update email in MAINTAINERS

LGTMs: @xiekeyang @cyphar
Closes #214

Author: cyphar

MAINTAINERS

@@ -2,11 +2,11 @@ Brandon Philips <brandon.philips@coreos.com> (@philips)
 Brendan Burns <bburns@microsoft.com> (@brendandburns)
 Jason Bouzane <jbouzane@google.com> (@jbouzane)
 John Starks <jostarks@microsoft.com> (@jstarks)
-Jonathan Boulle <jon.boulle@coreos.com> (@jonboulle)
+Jonathan Boulle <jon@nstack.com> (@jonboulle)
 Stephen Day <stephen.day@docker.com> (@stevvooe)
 Vincent Batts <vbatts@redhat.com> (@vbatts)
 Xie Keyang <xiekeyang@huawei.com> (@xiekeyang)
 Lei Jitang <leijitang@huawei.com> (@coolljt0725)
 Aleksa Sarai <asarai@suse.de> (@cyphar)
 Zhou Hao <zhouhao@cn.fujitsu.com> (@q384566678)
-Ma Shimiao <mashimiao.fnst@cn.fujitsu.com> (@Mashimiao)
+Ma Shimiao <shimiao.ma@gmail.com> (@Mashimiao)